On the White Day February 14th Yuuki Masahiro received a bar of chocolate in the post. The next year he also gains a bar of chocolate and a message only saying "Missing". From that moment events starts to whirl around him.

On the White Day February 14th Yuuki Masahiro received a bar of chocolate in the post. The next year he also gains a bar of chocolate and a message only saying "Missing". From that moment events starts to whirl around him.