First Confession첫 고백; Cheot Gobaek

"I want to sleep with you." "... What?" "I want to do it with Sung Ji-Won." The day I turned 20. I spent the night with you, trying to make a memory. That's how we met again after 10 years, Joo Sung-Hyun, still handsome... "Interest-free loan, limit is up to you, you don't have to pay it back." "... What?" "Keep going, acting like a live-in girlfriend." You still threw the wrong fastball, and I caught it. Joo Sung-Hyun, what are your true feelings?