Shimamura just happens to run into Adachi's mom at the gym and they have an awkward encounter. Later on, Shimamura invites Adachi to karaoke with Hino and Nagafuji.
A competition?
Du forderst mich heraus?
¿Competir?
¿Competir?
Un duel ?
Una gara?
Uma competição?
Соревнование?