Souji Mitsuka

Оригінальне ім’я: 観束総二

Souji is an ordinary high school student, though, he has obsession of twintails. One day, a girl called Thouars approached him as monsters appearing one after another, claiming him to be only man with the most potential of using Tail Gear, and entrusted him one to fight the monster, by transforming into Tail Red.