Mysistersboyfriendisawalkingredflag Stories

Kim Jeong Hoon is a college student. He's studying Business Management. He meets the narcissistic Do Min Joon who left a bad first impression to Jeong Hoon. One day, Jeong Hoon's older sister, Kim A Reum says she will be bringing her boyfriend over to her house. Do Min Joon then enters the house with a smirk on his face. "Oh, so we meet here."

Lee Dong - Min is one of the most successful students in the school, he is the class president, he is good in sports, he is the team captain in every sport, he is handsome (all the girls fall for him), he is good everything. He dates a beautiful girl, Hwang Da - Eun that admired him from primary school. She is the youngest sister of Hwang SuHo, he is in same class with Dong - Min and is his sworn enemy. SuHo is always second in everything, always Dong - Min is first. He would never imagine what would happen after a meeting of this two.