[DeepL Translation - needs review] Volume 1 Introduction: Ryo, Kazunari, and Tadahiro are three close childhood friends. Unbeknownst to Ryo, however, Kazunari and Tadahiro have been getting close to each other sexually...! Ryo, who has been told that they are not lovers, decides to go to Kazunari's house and ask his younger brother, Yusei, to help him in order to catch them in the act of making out. At that moment, he was grabbed by the arm from behind, and when he turned around, he saw that...
