| App Type | game |
| Release Date | Sep 29, 2026(Coming Soon) |
| Details Last Modified | September 23, 2026 (6 days ago) |
| Developer | HaHaHaGame |
| Publisher | HaHaHaGame |
| Genres | Casual, Indie |
| Supported Systems |
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| Windows |
| Price | Price Unknown |
| Required Age | 0+ |
| Support Email | echo_game@126.com |
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Little Sister is a Live2D desktop pet game. A girl in a cat-eared hat blinks, breathes and follows your cursor. Move, resize, lock or hide her, add static, GIF or MP4 wallpapers, and discover or share characters and wallpapers through Steam Workshop.
Family Sharing
Single-player