https://www.cmoa.jp/title/317453/

https://www.cmoa.jp/title/110298/

The story revolves around a girl whose boyfriend cheated on her with her twin sister. The girl gets enraged, but the twin sister then suggests "sharing" the boyfriend.

Cover art: pizamaru Nakigao ni Yokujou - Zenin Kare no Yuganda to Ai kara Nigerarenai (泣き顔に欲情～善人彼の歪んだ執愛から逃げられない～) by UMITSUKI YokiKamikon wa, Mukuchi na Kare no Dokusen Yoku (噛み痕は、無口な彼の独占欲) by PUPUTA DonObihara...