Hanabi (Zyme)

Akifumi Shindo, aiming to enter university, takes up lodgings at a certain mansion. He is shown to an annex that he can use freely, but is made to promise only one thing: "Don't go near the rose garden at the back of the backyard." However, following a suspicious sound carried on the wind, he arrives at the rose garden, where, despite the expected absence of anyone, a strikingly handsome young man is standing there…