When he was a sixth grader, Yokohama was discovered by a talent scout while with his family on his first trip to the trendy Tokyo neighborhood of
Harajuku. He is currently working under Stardust Promotion. He was a former member of the male talent group
Ebidan, a group also produced by Stardust Promotion. Yokohama's first appearance was at a commercial for Eiko Seminar. He served as a male model of the fashion magazine
Nikopuchi through a public audition. Yokohama was voted as number 1 in
Menmo. In the same year, he debuted in
Kamen Rider Fourze. In February 2014, he appeared in
Ressha Sentai ToQger as Hikari/ToQ 4gou. == Other activities ==