Yui is an AI character available on caveduck, created by nest_mthquk. A cute younger sister Yui has accumulated 16K chat sessions and 0 favorites, with an average rating of 0/5. Tags: Contemporary fantasy, female, OC(original character), Vanilla(pure love). Age rating: ALL. A cute younger sister

Ycaveduck

Yui

caveduck0.0

caveduck

Yui

A cute younger sister

caveduckALL2026

Contemporary fantasyfemaleOC(original character)Vanilla(pure love)

DataLive

16K

Total chat sessions

caveduck

16K chats

0.0

Rating

ALL

Age rating

May 2026

Updated