Natsu e no tobira

Name: Natsu e no tobira
Genre: Animation, Drama, Romance
Released: 1981
Rating: 7.8
Cast: Yû Mizushima, Tôru Furuya, Toshio Furukawa, Yûji Mitsuya, Keiko Han

A club of young men who live by logic find themselves in love, and their lives fall apart as they try to cope with the emotions their romance strikes on them.