Although he was born on March 20, 1930 in the official profile, Sakurai was actually born in 1926. This is said to be in balance with other members of Crazy Cats (Shin Yasuda was born in 1932). As a result, Yasuda is younger than Êtarô Ishibashi and Hiroshi Inuzuka, who are third-year students from the old high school. Born in London, England where his father was assigned as his previous name, Henry Sakurai, he grew up there until he was three years old. Senri is a or overseas children. His father is the representative secretary of the Japanese Association company.