Inkora
Huge Little Sis, Tiny Big Bro
Futanari Kyoudai Series (フタナリきょうだいシリーズ)
Mangacompleted
5.8by 4 users117 followed2 chapters
Kanon loves her big brother, even if his dick is smaller than hers! He just needs to learn that a tiny boy like him would be better as a girl! (Source: Fakku!)