Joahamyeon Meongcheonghaejinda좋아하면 멍청해진다; Love Makes You Dumb; You Get Dumb When You're In Love

Serin is a cold, chic, and utterly unapproachable “iron‑wall” girl, and Jinhyung is an ordinary college student. In front of other people, they both act perfectly normal—but whenever they’re together, they turn into complete idiots.