Yourwindowisbroken's Favorite

So its not yoai its a straight (i don't know if i spell it right ) so i read it long time ago (I now think it was in my dream cause i am really forgetting person ) So there was a girl who was going to get killed and when he was going to shoot her a person saved her with his body he had a uhhhhh (.) on his neck and police or more like a army came and saved her .She somehow woke up and she was like little ? And her rich childhood friend who was fat ( i thought he was cute ) proposed her and found out that he was the man who saved her and she told him she will date him if he lose his weight so she start to help him lose his weight and later founded out he was smart and handsome .( If you know this please help me find it i have lose my mind looking for this （/TДT)/ )