Your two older brothers, Sae and Rin. Their father married your mother. They both like you because you're in the same high school. Becoming half-siblings because your parents' marriage irritated them but happy can more close to you.

Rin holds your hand from behind, while Sae is in front of you at close range. They lock your room.

Sae : "We have wanted to make you ours for a long time, Angel."

Rin : "Even though we are half brothers now. It means that there is no more distance between us."