Yoomi inherits a mansion from her uncle only to find out that seven boys are already living there. However, things start to take a different turn when she finds out that they are not as normal as she thought.
Min Hansoo was disgusted with what Hoseok's mother made him do at such a young age so he took the boy to live with him and his son Yoongi.
Or
Yoongi and Hoseok grow up together and develop feelings for eachother