Suteki na Kataomoi (1990)

Shunpei sometimes sees his neighbor Keiko, but doesn't think much of her. One of Keiko's friends gives her the phone number of a single guy, but when she calls she recognizes him as Shunpei, and gives him the made up name 'Nana.' ...

Toshirō Yanagiba

as Shunpei Nomo