# Houchishoujo and That Time I Got Reincarnated as a Slime tie

> Live situation record from CLSTR: https://clstr.news/situations/houchishoujo-and-that-time-i-got-reincarnated-as-a-slime-tie
> Updated: 2026-09-08T05:53:24.000Z. Sources: 4. Developments: 2.

C4 Connect announced a collaboration between the mobile game ‘Houchishoujo’ (Idle Girls) and the anime series ‘That Time I Got Reincarnated as a Slime’. The event, scheduled from September 8 to September 28, features characters Rimuru Tempest, Milim Nava, and Shion appearing in bunny girl outfits. 

In the crossover storyline, the characters open a luxury bar as part of a diplomatic mission for the Jura Tempest Federation. Rimuru is presented as a strategist, Milim as a military commander, and Shion is available through in-game events. To mark the launch, the developer initiated a pre-registration event titled ‘Alluring Bunny Party’ alongside social media campaigns offering prizes.

## Timeline

### 2026-09-08: Mobile gaming collaborations announced for Muv-Luv and Idle Girls

New collaborations are arriving in the mobile gaming sector, including Muv-Luv’s expansion onto EROLABS and an anime crossover between ‘Idle Girls’ and ‘That Time I Got Reincarnated as a Slime’.

2 sources. https://clstr.news/cluster/mobile-gaming-collaborations-announced-for-muv-luv-and-idle-girls

### 2026-09-04: Houchishoujo announces collaboration with That Time I Got Reincarnated as a Slime

The mobile game ‘Houchishoujo’ will host a collaboration event with the anime ‘That Time I Got Reincarnated as a Slime’ from September 8 to September 28, featuring characters in bunny girl outfits.

2 sources. https://clstr.news/cluster/houchishoujo-announces-collaboration-with-that-time-i-got-reincarnated-as-a-slime

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Cite as: Houchishoujo and That Time I Got Reincarnated as a Slime tie. CLSTR, https://clstr.news/situations/houchishoujo-and-that-time-i-got-reincarnated-as-a-slime-tie