Her appearance—it was a constant rush of excitement and stimulation!

Dongha, a repeat student, spends his days holed up at home, wasting time. Unable to watch any longer, his parents pressure him into taking private tutoring. To his surprise, the tutor hired turns out to be his childhood first love. And soon, he finds himself distracted by how much she has changed from her younger days—especially by her beauty and her alluring figure…