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.
Fou...
Vie…
-Cua…
-Adachi.
Cua…
– Quatre…
– Adachi.
Qua...
- Quatro...
- Adachi.