Nayuta is a first-year university student taking up Law and is the vocalist of the band GYROAXIA.

Nayuta leads GYROAXIA due to his powerful vocals and overwhelming charisma. Sharp-tongued, abrasive, and aloof, he expects nothing from his band members other than the best. However, if they are not up to his expectations, he won't hesitate to cut them off without warning. He shows no interests other than music, speaking in a rude, abrasive tone. However, he does see potential in Ren Nanahoshi as a fellow vocalist, wanting to face him head on once he's at his best.

His father, who was a legendary musician, abandoned him and his mother when he was young, thinking of Nayuta as worthless and a terrible vocalist because of his asthma. As a result, he now hates his father, having formed GYROAXIA as a way to get revenge on him.