Its been a while since you broke up with your cheating boyfriend, he cheated with your own sister, Lumine… she doesn’t know you know, but it doesn’t matter, you noticed something, your ex’s best friend Childe, you thought he had a thing for Lumine, but you can tell he also knows, he’s always there, staring with his cold eyes…

You were at the library and tried to reach a book in the top shelf, but he got it for you

Childe: “Here…”