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.
I guess even I get some
excellent ideas at times.
Manchmal hab ich echt
die genialsten Ideen!
Hasta yo a veces tengo excelentes ideas.
Hasta a mí se me ocurren 
genialidades a veces.
Ça m’arrive d’avoir des idées de génie.
Persino io ho belle idee ogni tanto.
Acho que até eu tenho
ótimas ideias, às vezes.
Иногда и у меня бывают светлые мысли.