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Koiwai Yotsuba
from Yotsubato!
"green eyes""green hair""short hair"
Want to collect, style and chat with Koiwai Yotsuba?
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Play Waifumaster free
Koiwai Yotsuba is a character from Yotsubato!. koiwai yotsuba, yotsubato! Collect Koiwai Yotsuba as a gacha card on Waifumaster, chat with Koiwai Yotsuba as her own AI persona, and trade duplicate cards on the player-to-player marketplace — free to play.
Chat with Koiwai Yotsuba
Koiwai Yotsuba has her own AI chat persona — she replies in character, remembers what you tell her, and adapts to the tone you set. Sign in to start a private, one-on-one chat with Koiwai Yotsuba.
💬 Chat with Koiwai Yotsuba →How to collect Koiwai Yotsuba
Rarity · Epic (SSR)
- Pull her from the character gacha — soft pity kicks in at 50 pulls and a top-tier card is guaranteed by 60, so unlucky streaks still pay off.
- Raise her mastery by pulling duplicates (N → R → SR → SSR → UR). Each tier unlocks a new outfit, pose set, and expanded chat memory for Koiwai Yotsuba.
- Skip the grind — buy Koiwai Yotsuba straight from the player marketplace or the curated Trader shop with 🌸 hearts.
- Style & chat — once you own Koiwai Yotsuba you can restyle her outfits and talk to her one-on-one as her own AI persona.