Born in 1972 in Chikura Town (now Minamiboso City), Chiba Prefecture. Broadcasting writer.
Became a broadcasting writer at age 19, initially for radio, moving mainly into TV arrangements from his mid-20s. Involved in many hit shows.
At age 30, married Miyuki Oshima, a well-known comedienne with the "Morisanchu" trio. His series of essays about married life, "Busu no Hitomi ni Koishiteru," have sold a total of 600,000 copies.
Has also written novels such as "Geinin Kōkan Nikki: Yellow Hearts no Monogatari" (Ohta Publishing), "Miyuki" (KADOKAWA), and "Business Card Game" (Fusosha).
Has been in charge of film scripts such as "Handsome Suits," the hit "ONE PIECE FILM Z" which grossed 6.9 billion yen, and "Shinjuku Swan."
Active in a wide variety of fields, such as drama and movie scripts, stage production and acting, and as a radio personality.
His most recent work is "New Plan: My Best Plans and Showing All the Ideas I've Got" (Gentosha)
Official blog: http://ameblo.jp/smile-osamu/