Strangers to lovers and back again

"You did not tell me that you had a brother changbin hyung" said wooyoung walking into the room.
"I thought I told you I am sorry wooyoung" Changbin says walking to the sink washing his dish he had in his hand.
"Hey wooyoung this is my brother San San this is wooyoung" changbin says turning and turning around and looking at the other side of the room.

"San I know a San" wooyoung said in his head and then he turned around and saw the same black hair San that ruined his life a year ago.

"You guys are brothers" wooyoung said turning around to changbin.
"You guys know each other?" Changbin looks confused, he looks at San and San shakes his head.

Plz check out this story