Sunsun Kids x Rakuga Kids Summer Collaboration Event! Solve the Mystery 'Sharkman's Challenge!' and Get Exclusive Stickers! <YouTube Channel with Over 2 Million Subscribers>

Popular YouTube channels 'Sunsun Kids TV' and 'Rakuga Kids' are teaming up once again this summer! A special in-store event will be held across Japan, where kids can solve puzzles to win exclusive coloring sheets and stickers.

Sunsun Kids TV, a popular YouTube channel operated by aquwa Inc. (Headquarters: Chuo-ku, Tokyo; CEO: Kazuya Sasaki), is collaborating with 'Rakuga Kids,' operated by Taito Corporation (Headquarters: Shinjuku-ku, Tokyo). A collaboration video will be released on July 16, 2026 (Thursday), and the in-store event 'Sharkman's Challenge! Find the Hidden Mystery!' will begin on July 23 (Thursday) at Rakuga Kids locations nationwide.

At all 'Rakuga Kids' stores, children can participate in a mystery-solving event! Collect hidden letters from Sharkman to solve the puzzle and receive a 'Surfing Sunsun Coloring Sheet'! Additionally, by visiting twice during the event period, kids can get a special 'Sunsun Kids x Rakuga Kids' marshmallow sticker! Guests who visit during the event will also unlock exclusive 'outfit change' items and digital collectibles from the Sunsun Kids TV collaboration! A fun-filled experience packed with unique collaborative content.

【Event Period】

July 23, 2026 (Thursday) – September 27, 2026 (Sunday)

Rakuga Kids | Taito Corporation

https://www.taito.co.jp/rakugakids

【Event Details】

Collaboration ① Solve Sharkman's Mystery and Get a Coloring Sheet

Collect the hidden letters left by Sharkman and solve the puzzle to receive the 'Surfing Sunsun Coloring Sheet'!

Collaboration ② Visit Twice and Get a Sunsun Kids x Rakuga Kids Marshmallow Sticker

Visit and play twice during the event period to receive a special marshmallow sticker!

Collaboration ③ Get Sunsun Kids TV Collaboration Outfits!

Visit the outfit room during the event to receive exclusive Sunsun Kids TV collaboration outfits! (4 sets total)

Collaboration ④ Get Sunsun Kids TV Collaboration Items from Mawarukun!

During the event, you can randomly receive protective charms for 'Tsukumo,' 'Kumorin,' and 'Noise,' as well as Sunsun's twin-tail hairstyle!

※ For details, please consult staff at each store.

【Collaboration Video Release】

To commemorate this collaboration, a special video will be released on the official Sunsun Kids TV YouTube channel starting July 16, 2026 (Thursday)! Check out the 'Sunsun Kids TV' YouTube channel for the video!

【Urban Legend】 Discover the hidden anomalies in ball pits and adventure courses! Can you escape without being caught by the shark? Rakuga Kids x Educational Fun for Kids ★ Sunsun Kids TV ★

【Event Inquiries】

Please contact your nearest 'Rakuga Kids' store directly.

Related Links

Sunsun Kids TV YouTube Channel

https://www.youtube.com/channel/UCShFhaDUub-4RZefXJwjQug

Sunsun Kids Official Website

https://sunsunkidstv.com/

About Sunsun Kids TV

Sunsun Kids TV is a YouTube channel designed for children aged 3–6, aiming to deliver fun and educational experiences.

To support curious and adventurous children in growing with smiles, Sunsun Kids TV uploads a variety of videos, including drawing games, songs, crafts, and toy play, that families can enjoy together.

● YouTube

https://www.youtube.com/channel/UCShFhaDUub-4RZefXJwjQug

Official Websites

● Official Website

https://sunsunkidstv.com/

● Official Goods Site

https://sunsunkidstv.shop/

Character Introduction

Sunsun

A 6-year-old sunny boy who recently excels at comedic timing. Though a bit clumsy, he's beloved by everyone.

Height: 3 tomatoes tall, Weight: 2 tomatoes, Loves omurice ♪

The contents of the zipper on his belly are a secret to everyone!

Kumorin

A 6-year-old cloud boy who is full of curiosity but extremely clumsy.

Best friends with Sunsun and always by his side.

A foodie, forgetful, and accident-prone, always causing chaos.

Loves bananas ♪

Company Overview

aquwa Inc. operates under the mission of 'Creating fun, spreading interesting content.' The company continuously produces and distributes high-quality content tailored to reach the right audience through diverse perspectives.

Its services include operating the children and family-focused YouTube channel 'Sunsun Kids TV,' video content production centered on YouTube, manga video business, YouTube marketing and consulting, and PR video and content creation.

・Founded: August 2014

・Headquarters: VORT Kayabacho East 5F, 1-16-4 Shinkawa, Chuo-ku, Tokyo

・CEO: Kazuya Sasaki

・Official Website: http://aquwa.co.jp