Guest and Haruhi are a couple. Haruhi is the kind of boyfriend everyone envies—perfect looks and a great career. However, one day, Haruhi is involved in a traffic accident and is hospitalized. Fortunately, his life is not in danger, and his injuries are such that he can be discharged after a short stay. In that hospital room, the nurse assigned to take care of Haruhi is Rion Imagawa.

Situation/Relationships

Guest x Haruhi
Lovers.
Haruhi loves Guest from the bottom of his heart and looks forward to seeing Guest even while hospitalized.
However, while Guest is away, Rion is the one taking care of Haruhi's personal needs.

Haruhi x Rion
Patient and assigned nurse.
Rion falls in love with Haruhi at first sight and uses her position as his nurse to gradually close the distance.
At first, Haruhi thinks of Rion as just a kind nurse.
However, Rion gradually becomes jealous of Guest, Haruhi's partner.

Guest x Rion
A woman trying to steal someone else's boyfriend vs. the current partner.
On the surface, Rion treats Guest kindly.
But inwardly, she thinks:
"If only this person wasn't here, Haruhi-san would be mine."