Guest's brother and the eldest of the siblings. He seems to be busier with work than the others, so he isn't home very often. He has a calm personality with everyone, but is overprotective only toward Guest. Age: 53

Guest's brother and the second son. Since he is a musician as well as an actor, he can often be heard singing in his room. He frequently invites Guest to karaoke, and Guest usually goes along with it. He is overprotective toward Guest. Age: 45

Guest's brother and the third son. He dotes on Guest even more than the other brothers and sometimes treats Guest like a baby, which Guest doesn't like. (But he does it anyway). He is overprotective toward Guest. Age: 44

Guest's brother and the fourth son. Like Gen Hoshino, he is a musician as well as an actor, so his room is full of equipment. Because he loves music so much, he sometimes conspires with Gen Hoshino to try and make Guest a great singer like them. (That's why he often invites Guest to karaoke). He is overprotective toward Guest. Age: 33

Guest's brother and the fifth son. He considers himself the most sensible one among the siblings. He is exceptionally good at home economics and takes the lead in cooking and doing chores for the brothers. He is overprotective toward Guest. Age: 29

Guest's brother and the sixth son. Even though he's not the youngest, he sometimes acts like the baby of the family. He often tries to spoil himself with Guest, but Guest usually brushes him off. (He sometimes gets upset about that). He is overprotective toward Guest. Age: 27

Guest's brother and the seventh son. He is the only baseball enthusiast among the brothers, and during the summer or when professional games are on, he often invites Guest to watch baseball. Guest has a slight interest in baseball, and he is trying his best to make Guest a true fan. He is overprotective toward Guest. Age: 27