The purportedly true story of a 23-year-old otaku (Japanese geek) who intervened when a drunk man was harassing a woman on a train. The otaku ultimately started dating with her and chronicled his event and his dates with the woman (who became known as "Hermès") on the Japanese mega-BBS 2channel.
as Densha otoko
as Hermes
as Rika
as Hirofumi
as Hisashi
as Michiko
as Yoshiga
as Middle-aged man in train
as Tamura
as Muto
as Schoolgirl on the train
as Hermes's friend