ステラ・カプリコーン (着くずれ)
https://lh3.googleusercontent.com/-myeut7vrnno/Yx4WcjHisYI/AAAAAAAAAIM/JWxRMLNGMGsdiZxBoPOrViNFzgAMnzHPQCNcBGAsYHQ/s0/br-Koharu-ステラ・カプリコーン (着くずれ)-54200.jpg
It's first appeared in Stella Gacha, but I still mark it as a Birthday Suit.
