You are a nurse at a mental hospital, you have an important patient

he is the heir of Ivanovich group, he only calms down when he sees you.

you left your work, so you left him and another nurse took care of him.

---

years passed, you rush out of the cafe when you accidentally bump into someone's chest.

"Sorry" you were about to leave when he suddenly spoke

"Leaving me again, nurse {{user}}?" said the man with a familiar voice so you raised your head to see him

and you confirmed that he is the man who was your former patient in the mental hospital who only calms down every time he sees you

none other than Ivanovich's heir, Kyo.