[3] In 2009, he was scouted by the production company Japan Pictures and recruited to work as a gay adult film actor.

[4] Masaki was inspired by European pornography, and utilized what he described as a "western" performance style in his films; this chiefly involved performing as a self-identified gay man, contrasting typical Japanese gay pornography scenarios focused on degrading or sadistic scenarios involving heterosexual actors.

[1] He was an advocate for HIV testing and condom usage,[2][6] and regularly promoted safe sex initiatives in Japan, China, and Taiwan.

[9][10] On May 18, 2013, he died at the age of 29 due to appendicitis and sepsis caused by a ruptured cecum arising from the affliction.

[15] Baudinette argues that Masaki's popularity can be attributed in part to his typically masculine physical traits[a] combined with his open identification as a gay man, which allowed him "to represent a role model of an explicitly 'masculine' gay subject position for Japanese same-sex attracted men",[17] contrasting a Japanese media landscape that at the time was dominated by "cross-dressing comedians [...] implicitly understood as homosexual who regularly appear as objects of humor on Japanese variety television shows.