[5] His popularity and fame increased in 1979 after the release of a domestic hit, My Luxury Night, performed by Hatsumi Shibata.
[5] In the 1980s, he produced many hits of the kayōkyoku genre, including "Second Love", "Silhouette Romance", and "Goodbye Day".
[5] His best known song as a performer, Yume no Tochu (夢の途中),[6][7] was covered by teen-age idol Hiroko Yakushimaru as Sailor Fuku to Kikanju (セーラー服と機関銃) for the movie of the same name, and became a huge success.
Another song on which they collaborated, "Can't Think Straight", was featured on the Japanese edition of O'Sullivan's studio album Sound of the Loop.
[9][circular reference] Notes: "Can't Think Straight" was featured only on the Japanese edition of the album.