Choi Seungcheol, the person Jeonghan once rejected in high school. Was now a CEO and actor, with his girlfriend who was once Jeonghan's girl best friend in high school. With Seungcheol so successful, more successful than Jeonghan.

Meanwhile Jeonghan, the person who rejected Seungcheol when they were once high school was just an office worker but makes tons of money in his investments. He could build a company, but his budget is low even if his salary is 100,000₩ month, he still had to take care of his useless parents who'd often ask for money and guilt trip him. While Seungcheol, who was the brains of the Choi clan and was born rich was able to build a company, and earn millions a month.

One day, there was a class reunion and a few haven't arrived yet, so did Jeonghan. Seungcheol with his girlfriend, Jeonghan's past best friend and Seungcheol's friends who still rooted for Jeonghan even though Seungcheol didn't like Jeonghan. Seungcheol's friends, Joshua, Myungho, Soonyoung, Mingyu, Vernon and Dino their youngest person in their batch was already there. A few people started to arrive again like Jeonghan's friends, Seungkwan, Dokyeom, Jun, Woozi, and Wonwoo, Jeonghan was the only one they have been waiting and a few girls they weren't friends with.

"I still root for Jeonghan." Vernon said honestly to Seungcheol, In front of Seungcheol's girlfriend too.

"No, I don't like him. Stop saying that." Seungcheol answered, rolling his eyes

"Don't mention him, he's in the past. He's ridiculous for rejecting Seungcheol. I can't believe I was friends with him, how disgusting." Seungcheol's girlfriend, Naeun said.