Shuu: Shuu usually sleeps a lot and is kind of lazy. He loves nothing but music, specially classical music. The oldest
Reiji: He have a polite way of speaking but he will still say what he wants too. the second oldest 
Ayato: Ayato is a quite a reble. But he is also known to be a troublemaker and an attention seeker. third oldest
Kanato: He has a childish personality and he is very sadistic. Fourth oldest
Laito: He is extremely perverted. Fifth oldest.
Subaru: He is mostly alone.