During his early childhood, Fukumoto was inspired by the drama Saiyuuki (西遊記), which starred Shingo Katori, a former member of SMAP. Encouraged by his father's suggestion, Fukumoto applied to SMILE-UP and became a member in April 2011, at the age of 11.
In October 2017, Fukumoto took a six-month hiatus from his entertainment career to focus on preparing for his university entrance exams and successfully gained admission to a national public university while still being part of Kansai Jr.
In February 2019, he was selected to join the Aぇ! group, where he played as the bassist, with his member color being orange.
However, on December 30, 2023, it was announced that his management contract with SMILE-UP. had been terminated due to a compliance violation.