Cohabitation with the Fiancee

Yaghyonjaneun Donggeojung
약혼자는 동거중

Alternative

The Fiancée is Here
Yeokonjeogeo watda· 역혼저거 왔다
manhwa

His fiancee lost her parents so she will be living with the Hyuns, but Sang-Won is a middle schooler and the fiancee is a 24 year old adult!? Sang-Won tries to deny that his fiancee is 9 years older than him, but seeing that she does not act her age, he then feels comfortable around her. The fiancee seems kind and innocent on the outside, but on the inside...