俺がヤマタノオロチなら

This is the first title by Softhouse SORA. Shouta lives in the beautiful and peaceful port town of Suga-chou with his childhood friend Mai. He enjoys his days together with Mai, her best friend Yuzuno, his classmate Sayuri, respected upperclassman Yukiho, and best buddy Shingo. However, they were caught up in an unexpected event one summer vacation. He felt like that "someone" within him was about to awaken, and he turned into Yamata no Orochi.

[From Hau~ Omochikaeri!]