[2] He entered the Johnny's Jr. group, Tap Kids, in 2007 and made his first stage appearance in "Takizawa Enbujo 2007".

In 2009, Morimoto passed the audition to starred as the lead role, Harada Sota, in the movie "Snow Prince – Forbidden Love Melody".

[5] On November 1, 2009, Morimoto was appointed as the leader of a newly formed temporary Johnny's Jr. unit, Snow Prince, consisting of 11 members.

In May 2015, Morimoto became part of the Johnny Jr. unit, SixTones, which consist of most of Bakaleya main cast.

Alongside with SixTONES, Morimoto co-starred in a few stage shows, such as the long historic Shounentachi, for every year since 2015–2019 with another Johnny's Jr. group Snow Man.