Sunshine City Summer Events 2026

This summer, with a nationwide heatwave expected to continue from last year, including the new "extreme heat day" category for temperatures of 40°C or higher, it looks like the summer vacation will be filled with days where outdoor play will be difficult during the daytime.

Sunshine City (Ikebukuro, Tokyo) offers a wide range of events and spots perfect for escaping the heat and enjoying your day from afternoon to evening, as well as events where you can learn and have fun during your summer break. This summer, be sure to spend a memorable time at Sunshine City.

▼Download the PDF of this press release here:

https://prtimes.jp/a/?f=d20364-1129-9a8f4d721d1d62ea785897bd9809ec3c.pdf

Sunshine Aquarium

Sunshine Aquarium "Refreshing Summer Festival 2026"

Sunshine Aquarium will hold an event to blow away the summer heat!

In "Sea Lion Splashdown Operation!" which uses a large amount of water, the amount of water and the performance will be upgraded and you will get soaked as the temperature rises, such as on "heatwave days" of 35°C or higher and "extreme heat days" of 40°C or higher!

We will also hold many events featuring seasonal creatures that are at their best in summer, as well as events that can be enjoyed only in the "early morning".

※The scale may be reduced or the event may be canceled depending on the condition of the creatures.

※The event may be canceled in case of rain or bad weather.

Dates: July 17 (Fri) - August 30 (Sun)

Time: Event times vary

Please check the event website for details.

Admission: Enjoyable with just the aquarium admission fee ※Some paid content available

Event Website: https://sunshinecity.jp/aquarium/event_performance/event/entry-37766.html

[Nighttime Exclusive Event] Sunshine Aquarium x "Super Kaguya-hime!" Tsukuyomi Aquarium

A nighttime-exclusive collaboration event will be held with the original feature-length animated film "Super Kaguya-hime!", which has been a major topic of conversation on social media.

We will deliver a special immersive experience that can be enjoyed on summer nights, combining the fantastical world inspired by the virtual space "Tsukuyomi" that appears in the film with the charm of light, sound, and creatures unique to the aquarium at night.

A mermaid show will also be performed as a special attraction.

Dates: July 24 (Fri) - August 30 (Sun)

Time: 17:00 - 20:00 (Last admission 30 minutes before closing) ※Regular hours until 17:00 during the event period

Admission: Adults (high school students and older) ¥2,600 - ¥3,200, etc.

Event Website: https://sunshinecity.jp/aquarium/event_performance/event/entry-37837.html

Sunshine Aquarium Special Exhibition "Zannen na Ikimono Ten 3"

This is the third collaboration exhibition with the "Zannen na Ikimono Jiten" (Dictionary of Regrettable Creatures) book series, which introduces "creatures that are trying their best but are somehow regrettable".

Approximately 25 types of creatures, carefully selected from volumes 1 to 10 of the books produced so far, and "regrettable creatures" newly drawn for this special exhibition, will gather.

In addition, the "Zannen na Ikimono Ten General Election at Sunshine Aquarium" is also being held until Sunday, August 23.

Please vote for your "favorite regrettable creature" from the creatures in the venue.

Enjoy the ecology of these unique creatures, who are "regrettable but lovable," with exhibits unique to Sunshine Aquarium.

Dates: Until November 23 (Mon, Holiday) ※Closed on November 12 (Thu)

※Please check the official website for business hours.

Admission: Special exhibition standalone ticket ¥600, etc. (¥400 for those using designated facilities/events)

Event Website: https://sunshinecity.jp/file/aquarium/zannen/

Sunshine 60 Observatory Tenbo Park

Tenbo Park's Summer Scenery

An event to comfortably enjoy the "Japanese summer" without worrying about the weather or heat. A "sky resort" decorated with about 550 sunflowers, cool wind chimes, and pinwheels appears!

In the Tenbo Hill area, a photo spot surrounded by sunflowers in 360 degrees, as if you've wandered into a sunflower field, and a spot with about 200 wind chimes and pinwheels will debut for the first time.

On specific dates, we will also hold "Original Wind Chime Making" and "Sunflower Seed Sowing Experience" which are perfect for free research.

Dates: July 9 (Thu) - August 31 (Mon)

Time: 11:00 - 21:00 (Last admission 30 minutes before closing)

※From July 25 (Sat) to August 31 (Mon), 10:30 - 21:30

Admission: Enjoyable with just the observatory admission fee. (Some paid content)

Event Website: https://sunshinecity.jp/observatory/event/entry-37867.html

Tentai Park Full Moon Viewing Event

You can view the full moons of July and August through telescopes installed within the facility.

The Tenbo Park CAFE will also sell alcoholic beverages, including original Tenbo Park menus, to enhance your enjoyment of summer nights.

Additionally, on July 28 (Tue) and 29 (Wed), a workshop will be held for elementary school students to learn about the mechanism of astronomical telescopes and assemble them using educational astronomical telescope kits.

Depending on the weather, you may be able to view the moon with the assembled telescope. Please check the event website for details on the workshop.

Date and Time: July 29 (Wed) 18:30 - 20:30 (Moonrise: approx. 18:48)

August 28 (Fri) 18:30 - 20:30 (Moonrise: approx. 18:16)

Admission: Enjoyable with just the observatory admission fee. ※Workshop is paid.

Event Website:

[July] http://sunshinecity.jp/observatory/event/entry-37704.html [August] http://sunshinecity.jp/observatory/event/entry-37705.html

Anime "Rilakkuma" Go-yururi Sky Journey x Sunshine 60 Observatory

An event in collaboration with the anime "Rilakkuma," which airs on TBS every Saturday at 9:25 AM, will be held in the event space within the observatory.

The space will be filled with Rilakkuma's world, featuring three-dimensional photo spots of Rilakkuma and friends, panel displays introducing the unique characters, and window decorations.

Dates: July 24 (Fri) - August 31 (Mon)

Time: 10:30 - 21:30 (Last admission 30 minutes before closing) ※July 24 (Fri) only 11:00 - 21:00

Admission: Enjoyable with just the observatory admission fee. (Some paid content)

Event Website: https://sunshinecity.jp/observatory/event/entry-37834.html

Anime 10th Anniversary "One-Punch Man Exhibition"

©ONE, Yusuke Murata/SHUEISHA, Hero Association Headquarters

To commemorate the 10th anniversary of the anime "One-Punch Man," the first exhibition will be held!

Original drawings and setting materials from the first to third seasons, first cour, and photo spots of impressive scenes and characters will be exhibited!

In addition, many original exhibition goods will be available! Please enjoy the exhibition, which is packed with the charm of the anime "One-Punch Man" to your heart's content.

Dates: June 26 (Fri) - July 20 (Mon, Holiday)

Time: 11:00 - 19:00 (Last admission 18:00)

Venue: Sunshine 60 Observatory Tenbo Park Event Space

Admission Fee: Standard Ticket ¥2,200

Event Website: https://opm-exhibition.jp/

Inquiries: 03-6758-2394

Sunshine City Ehon no Mori (Picture Book Forest)

Shogakukan's Zukan NEO x Sunshine City Ehon no Mori Collaboration Event

Sunshine City Alpa 1F Ehon no Hiroba will continue its special collaboration with "Shogakukan's Zukan NEO" from 2025!

"Ancient Creatures" will appear in Ehon no Hiroba. You can enjoy giant photo panels and creature panels.

Additionally, a "Fukugen Quest" stamp rally will be held, where you can restore ancient creatures while touring Sunshine City. Those who collect all the stamps and purchase eligible products at Kumazawa Bookstore on Alpa 2F will receive "Shogakukan's Zukan NEO Colored Pencils" as a gift.

Dates: July 10 (Fri) - August 31 (Mon)

Time: 10:00 - 20:00

Admission: Free

Event Website: https://sunshinecity.jp/file/official/ehonnomori/neo.html

Ancient Orient Museum

Ancient Orient Buildings and Urban Development - Exploring with Models! -

Introducing ancient Orient architecture and cities such as "the oldest temple in humanity" Göbekli Tepe, "the world's oldest city" Uruk, and the city of Babylon, "the Tower of Babel," with over 30 scale models and full-scale models.

While tracing the overall picture of ruins and cities three-dimensionally with scale models, you can experience the realism of entering ancient dwellings and tombs with full-scale models.

During the summer vacation period, children's lectures, experience corners, and mystery tours will be held, allowing parents and children to learn about the "urban development" of ancient civilizations in a fun way.

Dates: July 4 (Sat) - September 6 (Sun)

Time: 10:00 - 17:00 (Last admission 16:30)

※Please check the event website for the schedule of each event.

Admission: Enjoyable with just the museum admission fee (some paid content)

Event Website: https://aom-tokyo.com/exhibition/260704_maquette.html

Exhibition Hall

Afternoon 40th Anniversary Exhibition

©Kodansha ©Hitoshi Ashino/Kodansha ©Masayuki Ishikawa/Kodansha ©Masakazu Ishiguro/Kodansha ©Itsuki Kōyama/Kodansha ©Fumiyo Kōno/Kodansha ©Rihito Takarai/Kodansha ©Shun Umezawa/Kodansha ©Tomo Takeuchi/Kodansha ©OMOCAT, Nui Kono/Kodansha ©Shimo Kio/Kodansha ©Bin Konami, Saburo Etsu/Kodansha ©Coffee/Kodansha ©Hiroaki Samura/Kodansha ©Kenichi Sonoda/Kodansha ©Tsutomu Takahashi/Kodansha ©Misaki Koda/Kodansha ©Hiroshi Tamaru/Kodansha ©Kenji Tsuruta/Kodansha ©Kada Tsurumai/Kodansha ©Tsutomu Nihei/Kodansha ©Asa Higuchi/Kodansha ©Kosuke Fujishima/Kodansha ©Tsubasa Yamaguchi/Kodansha ©Makoto Yukimura/Kodansha ©Yoshida./Kodansha

To commemorate the 40th anniversary of "Afternoon," a monthly seinen manga magazine that has published numerous masterpieces, the first large-scale exhibition will be held.

This exhibition will showcase valuable original drawings from past masterpieces that have graced the magazine, such as "Ah! My Goddess" and "Parasyte," as well as currently serialized works like "Blue Period" and "Medalist."

Limited edition goods using newly drawn illustrations by the artists will be sold, and various models and materials related to the works will also be exhibited, making it an exhibition where you can experience the 40-year journey of "Afternoon."

Dates: July 10 (Fri) - July 26 (Sun)

Time: 11:00 - 19:00 (Last admission 18:30)

Venue: Exhibition Hall A (World Import Mart Building 4F)

Admission Fee: Advance Ticket General Admission ¥2,200, Admission with Goods ¥5,200

Same-day Ticket General Admission ¥2,500, Admission with Goods ¥5,500

Event Website: https://mixalive.tokyo/afternoon_40thten/

Inquiries: [email protected]

Hikaru no Go Original Drawing Exhibition again

"Hikaru no Go," a hit manga based on Go, serialized in Weekly Shonen Jump by Yumi Hotta (original story) and Takeshi Obata (manga).

The "Hikaru no Go" original drawing exhibition, which toured various parts of Japan from 2025 to 2026, returns to Tokyo!

Dates: July 10 (Fri) - July 26 (Sun)

Time: 10:00 - 20:00 (Last admission 19:30) ※July 26 closes at 17:00

Venue: Exhibition Hall A (World Import Mart Building 4F)

Admission Fee: Advance Ticket ¥2,000, Same-day Ticket ¥2,200

Event Website: https://hikarunogo-exhibition.com/

ULTRA HEROES EXPO 2026 SUMMER FESTIVAL IN Ikebukuro Sunshine City

A summer tradition event where you can enjoy spectacular live stages and large-scale exhibitions featuring Ultra Heroes.

Cast members and heroes from the latest work "Ultraman Tiga" will appear.

Cheering goods will be sold, and there will be opportunities for commemorative photos with heroes. In addition, there will be an exhibition corner where fans can immerse themselves in the world of Ultra Heroes, and an Ultraman Department store offering official goods! This is a must-see event for fans.

Dates: July 18 (Sat) - August 24 (Mon) ※Closed on August 4 (Tue)

Time: 9:30 - 17:30 ※Time-designated entry

Venue: Exhibition Hall B (Bunka Kaikan Building 4F)

Admission Fee: Weekdays: Adults ¥3,500, Children ¥2,800

Peak Days: Adults ¥4,000, Children ¥3,300, etc.

Event Website: https://www.ultra-expo.com/tokyo2026/

Inquiries: 03-6747-4653

Detective Precure! Let's Solve Puzzles Together! Hanamaru Kaiketsu Festival!

Let's go play in the world of "Detective Precure!" Today is the annual festival everyone has been looking forward to!

Suddenly, many requests flood into the Cure-at Detective Agency from festival organizers.

Among the requests is a notice that the "Crystal Flower," the symbol of the festival, has been stolen by the Phantom Thieves!

Let's solve the mystery together by working with Ann, Mikuru, and the others!

This is an interactive exhibition event where you can take photos and make fun memories.

Dates: July 31 (Fri) - August 23 (Sun)

Time: 9:00 - 17:00 ※Last admission and re-entry times vary depending on the stage (performance).

Venue: Exhibition Hall A (World Import Mart Building 4F)

Admission Fee: Early Bird Ticket: General ¥2,200, Children ¥1,800

Same-day Ticket: General ¥2,500, Children ¥2,100

Event Website: https://precure-event-ikebukuro.com/

Inquiries: 03-6758-2395

Sumikko Gurashi Wakuwaku Park ~Let's Make Rainbow Memories Together~

Let's make rainbow memories with the Sumikko Gurashi characters at the "Nijiiro Yuuenchi" (Rainbow Amusement Park) full of dreams ♪

An interactive event with Sumikko Gurashi is being held! Let's play with the Sumikko Gurashi characters at the "Nijiiro Yuuenchi" full of dreams ☆

There are plenty of exciting interactive games, photo spots, and limited edition items ♪

Enjoy a special time to the fullest with your beloved Sumikko Gurashi characters!

Dates: August 11 (Tue, Holiday) - August 30 (Sun)

Time: 10:00 - 17:00 (Last admission 16:30)

Venue: Exhibition Hall D (Bunka Kaikan Building 2F)

Admission Fee: Advance Ticket: Adults ¥1,200, Children ¥800

Same-day Ticket: Adults ¥1,400, Children ¥1,000

Event Website:

https://www.san-x.co.jp/sumikko/campaign/wakuwaku_park/tokyo_ikebukuro/

Inquiries: 050-1742-4548

The Familiar of Zero 20th Anniversary Exhibition

To commemorate the 20th anniversary of the TV anime "The Familiar of Zero," the "The Familiar of Zero 20th Anniversary Exhibition" will be held!

This exhibition features a life-sized figure of Louise, the original-sized Dellinger, valuable setting materials of characters such as Louise and Saito, a story corner revisiting famous lines and touching scenes, and over 100 illustrations. It is an exhibition full of highlights.

In addition, special audio guides by Louise (CV: Rie Kugimiya) and Saito (CV: Satoshi Hino), recorded anew for this exhibition, as well as limited edition goods using newly drawn illustrations for this exhibition and an art book containing the exhibited illustrations, are planned for sale.

Dates: August 10 (Mon) - August 30 (Sun)

Time: 10:00 - 19:00 (Last admission 18:30) ※Opening hours may change.

Venue: Exhibition Hall D (Bunka Kaikan Building 2F)

Admission Fee: Time-designated Ticket ¥2,500

Weekday Ticket ¥2,500

Event Website: https://cb-event.net/zero-tsukaima/

TV Anime "The Melancholy of Haruhi Suzumiya" 20th Anniversary "SOS Exhibition ~The Exhibition of Haruhi Suzumiya Who Greatly Enlivened the World~"

To commemorate the 20th anniversary of the broadcast of the TV anime "The Melancholy of Haruhi Suzumiya," the exhibition is divided into two parts: "Haruhi Suzumiya's Recollection" corner, which looks back at the story with valuable setting materials and photo spots such as the SOS Brigade's clubroom, and "Haruhi Suzumiya's Phenomenon" corner, which introduces the impact of this work on modern culture from multiple perspectives.

Dates: August 10 (Mon) - August 30 (Sun)

Time: 10:00 - 19:00 (Last admission 18:30) ※Opening hours may change.

Venue: Exhibition Hall D (Bunka Kaikan Building 2F)

Admission Fee: Time-designated Ticket ¥2,500

Weekday Ticket ¥2,500

Event Website: https://cb-event.net/haruhi20th/

Anime "World Trigger" Exhibition "REBOOT"

To commemorate the REBOOT project, an exhibition event to review the beginning of the "World Trigger" anime story has been decided!

It can be enjoyed in two cities, Tokyo and Osaka. In addition to exhibits that allow you to re-experience the story of "World Trigger," there will be displays of valuable animation materials and interactive areas!

Dates: August 11 (Tue, Holiday) - September 1 (Tue)

Time: 10:00 - 20:00 (Last admission 19:00)

Venue: Exhibition Hall C (Bunka Kaikan Building 3F)

Admission Fee: Advance Ticket: General ¥2,300, Elementary School Students ¥1,300, With Goods ¥4,800

Same-day Ticket: General ¥2,600, Elementary School Students ¥1,600

Event Website: https://www.toei-anim.co.jp/lp/wt/exh_2026/

Inquiries: [email protected]

▼Download the PDF of this press release here:

https://prtimes.jp/a/?f=d20364-1129-9a8f4d721d1d62ea785897bd9809ec3c.pdf

※Contents and schedules are subject to change or cancellation due to circumstances.

※Images are for illustrative purposes only.

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Sunshine City Overview

Location: 3-1 Higashi-Ikebukuro, Toshima-ku, Tokyo

Business Hours: Varies by facility

Inquiries: Sunshine City General Information 03-3989-3331

https://sunshinecity.jp/

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