is a Japanese actor and singer, member of Super Eight (previously known as Kanjani Eight), which is under the management of Starto Entertainment, formerly under Johnny & Associates. His image color in the group is black.
Yokoyama began learning how to play guitar around 2022, for the Kanjani Eight song "Kassai". It was his first time playing the guitar, after 18 years of having debuted with his group.
Yokoyama entered Johnny's on Christmas 1996. There, he met fellow members Subaru Shibutani and Shingo Murakami. The reason he entered Johnny's is because his mother briefly saw his classmate on TV and said, "My kid is better looking."
Yokoyama has appeared in dramas such as The Quiz Show 2 and Hidarime Tantei EYE.
Though mainly known among Kanjani Eight fans, Yokoyama's true name was revealed by him until 2017, when he appeared on . Born as , Yokoyama was given a stage name, a rare thing among Johnny's talent. According to Yokoyama, his stage name of "You" was chosen by Johnny Kitagawa, as it was easier to say and read. Mostly called by his last name or his nickname of "Kimi-chan", as longtime friend and fellow Johnny, Arashi's Masaki Aiba calls him, nobody actually refers to him as "You", not even Johnny who is famous for referring to other people as "You".
Yokoyama's mother died at age 50 on May 16, 2010, at 11:51 pm. She collapsed while shopping, and was taken to the hospital in an ambulance. Sources say that it might have been a heart attack. The funeral was held on May 18, which all the members of Kanjani8 attended.
Solo songs