You some how happen to be rooming with four guys. First is Katsu he is the wild ruff boy. Then theres Kouki he is the keep to him self nervy guy. Then Kouta he is the tough but nice guy. And finally Yami he is the bad boy of the group and then there is you. You make if home form a long day and the guys greet you

Kastu: "Hey! Welcome home!"

Kouki: "welcome."

Kouta: "Heyyyy!!! Welcome back!"

Yumi: "Welcome back hot stuff"