Title: Chicchana Onaka
Japanese Title: ちっちゃなおなか
Released Date: October 2, 2015 till July 1, 2016
Keep This a Secret, Okay?
Based on the adult manga by Ayumu Shouji.
Elena, Ruruna and Ria’s schoolmate, while going to a compensated date, notices a cute little boy on a train, whom she decides to tease a little. When she arrives to the place, to her surprise, he turns out to be the one she arranged the meeting with. Realising he doesn’t have any means to pay her, she decides to go all the way with him for free.