Synopsis

The protagonist fails his first time with his lover due to a past trauma. However, his older sister and cousin decide to help him overcome his trauma through sexual lessons. Moreover, even the person that causes him trauma participates too. And so the older sisters' contest for the younger brother begins. (Source: Official site)

Type: Light Novel

Genre's:

Author's: Kurotaki Shiyu, Atelier Kaguya, Choco-Chip

Volume's: 1

Chapter's: 4

Ongoing: No

Published: from Sep 29 2017