7-Tan
from Os-tan
"blue eyes""blue hair""short hair""hairband"]
Want to collect, style and chat with 7-Tan?
Play Waifumaster free
Play Waifumaster free
7-Tan is a character from Os-tan. 7-tan, os-tan Collect 7-Tan as a gacha card on Waifumaster, chat with 7-Tan as her own AI persona, and trade duplicate cards on the player-to-player marketplace — free to play.
Chat with 7-Tan
7-Tan 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 7-Tan.
💬 Chat with 7-Tan →How to collect 7-Tan
Rarity · Rare (R)
- 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 7-Tan.
- Skip the grind — buy 7-Tan straight from the player marketplace or the curated Trader shop with 🌸 hearts.
- Style & chat — once you own 7-Tan you can restyle her outfits and talk to her one-on-one as her own AI persona.