ISSEI is a Japanese singer, actor, and talent. He made his solo debut under TOBE on January 23, 2025 with the digital single "Go Getter feat. AK-69." He was formerly a member of Bishonen under Johnny & Associates (later renamed as STARTO ENTERTAINMENT).

On December 3, 2024, TOBE's official YouTube channel announced that he would be joining the agency. It was also announced that he would be performing under the name ISSEI, not his full name Kanasashi Issei.