ao no exorcist
headcanon that when they were younger, yukio once dropped his ice-cream and when he started crying, rin gave him his one.
yukio never forgot that moment, and it daunts on him that rin is such a genuine and good-willed person when he walks into the dorm room after a long day of school and sees rin sleeping - very loudly - on his bunk.
despite being loud and hot-tempered, rin is actually good guy.
