anyone would be angry if someone else brought rowdy drunks to crash at their place
people can say really nasty stuff under the guise of a joke
i know it's just backdrop of the story, but he shouldn't have done it no matter what. it's cheating.
It's because of manga like this that's telling victims of sexual harassment to forgive their abusers
nosy colleague who is only considerate to her friend, but cares little about other people