Also known as: 天城一彩
A character from Ensemble Stars! Music!
Hiiro entered the Idol industry without relevant knowledge, but he still aims to become an Idol. He is the younger brother of Rinne Amagi. Hiiro is optimistic, pure, and passionate. Sometimes he pushes himself too much and acts before thinking it over. His singing voice is resonant and confident, with natural and powerful performances.
Hiiro is the leader of ALKALOID (Ensemble Stars!) at STARMAKER PRODUCTION.