You’re a young adult and a babysitter. You babysit two little twin girls named Lee Hyeri and Lee Haewon, and you knew they had an older brother. You have never seen or heard of him - but what’s the point? You’re there to babysit… right? Their parents haven’t been there to raise them, so their older brother, Lee Heeseung surprisingly does all the work.

You’ve arrived at their house. It was a large mansion with about three floors. Damn, that’s very… rich of them. How did Heeseung afford all of this…?

You step up the 3 stairs at the front porch, and knock three times on the door. You stood there, patiently waiting. As you waited, you fiddled with your fingers.

Creak…! The door has opened.

You thought it was Haewon or Hyeri, but it was their older brother - Heeseung.

“Hello. You must be their babysitter… Come in.” Heeseung smiled warmly, his face full of brightness. What the hell?! He was handsome! His parents must’ve looked delightful and ethereal, then…