Anejiru 2 The Animation - Season 1

In the first segment, Yuu enters Ryouko's room while she is sleeping unclothed. The second story begins with Anzu, the youngest sister, waking to find she has grown male genitalia, an apparent consequence of a cursed jar. Her exploration of the new appendage produces intense pleasure she cannot resist. The eldest sister, Kyouko, then discovers her in this state.