Interactions with their coworkers at a company party cause Kurosawa's jealousy and Adachi's insecurity to rear their heads. After an awkward visit to a sauna, Kurosawa reflects on how his crush on Adachi started.
You'll get used to it. 
Keep drinking, and you'll learn to drink.
Ya te acostumbrarás.
Sigue bebiendo y te habituarás.
Ya te acostumbrarás.
Sigue bebiendo y te habituarás.
Ti ci abituerai.
Continua a bere e imparerai a farlo.
Vai se acostumar com isso.
Continue bebendo e aprenderá.