When does the White Cat Project collaboration event end?

Scheduled to end on June 30, 2026 at 15:59.

Where can I buy the jewel packs?

Available in-game and at the White Cat official store.

Is the previous Tensei Slime collab also returning?

Yes, the first collab is back with Milim and Shuna appearing.

When is White Cat Project's 12th anniversary?

On July 14, 2026, with commemorative events planned.

White Cat Project NEW WORLD'S Launches Collaboration Event with Anime 'That Time I Got Reincarnated as a Slime'! Rimuru, Benimaru, Shion, and Shizu Appear in the White Cat World!

Q: What is Shizu's Mode Change?

She can transform into a form wearing the 'Mask of Anti-Magic'.

Published Jun 17, 2026 1:30 AM ・ Updated Jun 16, 2026 4:55 PM ・ 13 min read ・ Source: PR TIMES

Colopl has launched a collaboration event between its smartphone 3D action RPG 'White Cat Project NEW WORLD'S' and the anime 'That Time I Got Reincarnated as a Slime' starting June 16, 2026. Characters Rimuru, Benimaru, Shion, and Shizu are now available in-game through a limited-time gacha, alongside special jewel packs.

Colopl Inc. (President and CEO: Takashi Miyamoto, headquarters: Minato-ku, Tokyo; hereinafter 'Colopl') has launched the collaboration event 'That Time I Got Reincarnated as a Slime Project 2' between its smartphone 3D action RPG 'White Cat Project NEW WORLD'S' (hereinafter 'White Cat') and the TV anime 'That Time I Got Reincarnated as a Slime' (hereinafter 'Tensei Slime'), starting today, June 16, 2026.

[Collaboration PV] https://youtu.be/UBOBrNwUBTg

Overview of the Tensei Slime Collaboration: 'That Time I Got Reincarnated as a Slime Project 2'

The collaboration event has started today, June 16, 2026. The character gacha features Rimuru (CV: Minami Osaki), Benimaru (CV: Shinya Kogami), Shion (CV: M·A·O), and Shizu (CV: Yumiri Hanamori).

- Event and Gacha Period

Scheduled from June 16, 2026 (Tue) 16:00 to June 30, 2026 (Tue) 15:59

※ Watch a video ad once per day to receive one free pull

※ These characters appear as ★4 and ★5 rarities

※ ★ indicates rarity level

※ Images may include development versions

※ For details, please check in-game announcements

### Plot Summary

Rimuru is summoned once again to the otherworldly island he previously saved.

The island is embroiled in international conflict, on the brink of war.

Rimuru, along with Benimaru and Shion who were also summoned, attempts to resolve the crisis through diplomatic negotiations.

Meanwhile, 100 years earlier on the same island, Shizu battles an enemy connected to the future.

Peace or war? The conference dances on. And history repeats itself.

### Gacha Characters

Rimuru (CV: Minami Osaki)

Sovereign of the Jura Tempest Federation.

A slime aiming to build a society where humans and monsters coexist.

Benimaru (CV: Shinya Kogami)

Captain serving under Demon Lord Rimuru.

Oversees military affairs of the Jura Tempest Federation.

Shion (CV: M·A·O)

First secretary to Demon Lord Rimuru.

Possesses a cool beauty and exceptional combat prowess.

Shizu (CV: Yumiri Hanamori)

A veteran adventurer who controls fire.

Originally a Japanese person who lived in wartime Tokyo.

### Shizu Features 'Mode Change'!

Can transform into a form wearing the 'Mask of Anti-Magic'.

Special Jewel Packs Now Available at the White Cat Official Store!

The official 'White Cat' store on App-Pay offers various jewel packs at better value than in-game purchases. For details on each pack, and exchange methods and conditions for vouchers, please check the official store and in-game information.

### White Cat Official Store

https://app-pay.jp/app/shironeko-project

### Sales Period (In-game and Official Store)

Scheduled from June 16, 2026 (Tue) 16:00 to June 30, 2026 (Tue) 15:59

### Premium Jewel Pack

Price: ¥10,000 (tax included)

Contents: 675 'Jewels', 65 'Free Jewels', 1 'Guaranteed ★5 Character Ticket', etc.

### BIG Stamp Jewel Pack

Price: ¥3,600 (tax included)

Contents: 240 'Jewels', 24 'Free Jewels', 4 'BIG Stamps'

### Collaboration Memorial Stamp Jewel Pack

Price: ¥800 (tax included)

Contents: 54 'Jewels', 5 'Free Jewels', 1 'BIG Stamp', 4,000 'Fragments of Rainbow Rune'

### Collaboration Costume Character Voucher Jewel Pack

Price: ¥10,000 (tax included) ※ Up to 4 purchases

Contents: 675 'Jewels', 40 'Free Jewels', 1 'Collaboration Costume Character Voucher', etc.

- 'White Cat' characters available via 'Collaboration Costume Character Voucher':

Gaushi

(CV: Azuki Shibuya)

Georg

(CV: Yuichi Nakamura)

Bellran

(CV: Satomi Akesaka)

Excellia

(CV: Sakura Danjo)

※ For exchange methods and conditions, please check in-game.

'That Time I Got Reincarnated as a Slime Project' Re-Released! Overview

The first collaboration event is being re-launched. The concurrent character gacha features Rimuru (CV: Minami Osaki), Milim (CV: Rina Hidaka), Shuna (CV: Ayaka Nanase), Ruka (CV: Himika Akaneya), and Soara (CV: Rumi Shishido). This gacha allows one free pull per day by watching a video ad. All five characters have unlocked Grand Class. Additionally, jewel packs with bonus animated stamps are being re-sold. For details, please check in-game announcements.

### Gacha Characters

About the TV Anime 'That Time I Got Reincarnated as a Slime'

Starting a slime life. Salaryman Satoru Mikami is stabbed to death by a mugger and wakes up reincarnated in another world—but as a slime! Now named Rimuru, he is thrust into a world teeming with diverse races, aiming to build a nation where all species can live happily together—regardless of race!

Based on the manga adaptation of the novel by Fuse (serialized in Kodansha's 'Monthly Shonen Sirius'; art by Taiki Kawakami), originally published on the novel site 'Shousetsuka ni Narou'. The series, including related books, has surpassed 40 million copies in cumulative circulation as of February 2023. Season 1 aired from 2018 to 2019. The second movie, 'That Time I Got Reincarnated as a Slime: The Scarlet Bond', premiered in February 2026, and Season 4 of the TV anime is currently airing.

※ 'Shousetsuka ni Narou' is a registered trademark of Hinaproject Co., Ltd.

Official Website: https://www.ten-sura.com/

Official X: https://x.com/ten_sura_anime

White Cat Project NEW WORLD'S Basic Information

'White Cat Project NEW WORLD'S' is a full-fledged 3D action RPG playable with simple controls. Featuring battles, town-building, and real-time multiplayer battles for up to four players. The 'Skill Combination' battle system enables faster action and dynamic combinations of skills and characters. Delivering a grand adventure-driven, classic RPG experience on smartphones.

Celebrating its 12th anniversary on July 14, 2026.

- App Name: White Cat Project

- Pricing: Item-based monetization

- Download Page: https://colopl.co.jp/app/rd/pr/?/snn/2148w3f0/

- Official Website: https://colopl.co.jp/shironekoproject/

- Official X: https://x.com/wcat_project

About Colopl Inc.

Colopl provides diverse mobile games across genres. From the world's first location-based game 'Colony Life' to the full-action RPG 'White Cat Project' and AI-powered titles like '

FACT BOX

Source: PR TIMES
Category: Event

White Cat Project NEW WORLD'S Launches Collaboration Event with Anime 'That Time I Got Reincarnated as a Slime'! Rimuru, Benimaru, Shion, and Shizu Appear in the White Cat World!

⚡ Key Points