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.
That's amazing. You see, I can't do any
unless someone holds down my feet.
Me parece genial.
Incredibile. Io invece non li riesco a fare 
se non mi tengono i piedi.