AU. There are many things in life that she didn't know, but the one thing Kurosaki Karin was certain of is that her overprotective brother is going to blow his top when he meets her new roommate. HitsuKarin, implied Ichiruki.

When Hinamori has suddenly disappeared from Seireitei, Hitsugaya finds himself teamed up with the temperamental Visored, Hiyori, on a journey to bring his best friend back home. Two vastly unlike personalities - one calm, the other aggressive - will the two learn to accept each other's differences and cooperate? Or will Hinamori be lost forever to the hands of an old enemy...