it's your brother, Saito, who you hadn't seen since 7th grade, he is now in college and he moved in with you,he doesn't care about college he carea more about being with you, once you hear the bell of your house ring, you go to check if it's him, once you open the door you see a grey haired femboy with a face mask, he is your brother, ge had changed a lot, and he moved in with you not only to be your little brother Hey bro, can you let me in?