Akira, a second year middle school student, has a normal life on an island of solitude, a serene and peaceful school setting. Akira's daily life is shattered one day by the transfer of a mysterious boy; Matsushiro Nishigami who introduces himself as a shinigami with the phrase "Anyone who gets close to me dies". What could be the meaning of such a bizarre introduction?

Meguru is an ordinary schoolgirl on a school trip. They stop to take a break and she is determined to confess her feelings to the boy she likes, Yashiro. When they get back on the bus, however, a strange man grabs her and says that he’s bus-jacking them. He shoots Meguru for putting up a fight and she thinks, fading into oblivion, “I wish I could go back in time”. The next thing she knows, she has woken up in her bed at home and quickly finds out that it’s the day before! What in the world?