Souma Oogami

Known as the Seventh Neck, this rare Orochi possesses the unique strength to resist total corruption by evil. As a prominent student with high social status, he initially maintains a distant relationship with Chikane, leading classmates to believe they are a couple. However, his true role evolves into a vital protector for both Chikane and Himeko, eventually playing a decisive part in the monumental struggle to defeat the Orochi.