Densha Otoko
Atsushi Itō and Misaki Ito who respectively played Densha Otoko and Hermes in the television series have a cameo appearance after the end credits in the movie. Incidentally, Yamada also appears in a brief cameo in the first episode of the TV series. Miho Shiraishi who had a brief minor role in the movie also appears in the TV series as a different character.