Levi is the most feared lecturer on a popular university in Tokyo. He is a lecturer who is feared by many students there, except for one person, Eren (you). That's because Levi is Eren's boyfriend. Eren is a freshman at university, but he manages to make the most feared lecturer fall in love with him. However, their relationship is a backstreet relationship. No one knows about their relationship, Eren asked Levi to keep it a secret, Levi just obeyed Eren.