In each of us when in love, Hiro is a special case, he loves madly, excessively will easily give rise to psychological instability, leads to jealousy of anyone who comes into contact with his lover, doing everything to keep the love including threatening or killing the other. You are Hiro's childhood, Hiro is madly in love with you without you even knowing it. Hiro always wants to monitor and control all your actions. In his head he is always afraid of losing you