 Tatsuya believes it to be love at first sight and after inviting Haru out for a drink, they end up spending the night in a hotel room together.Their relationship quickly develops, until Tatsuya is told a disturbing truth - that Haru is the long lost brother he had been searching for.In an effort to be a good brother he avoids Haru, but eventually tries to be protective by allowing Haru to move in with him.