Lee Min-Hyeok used to be a national Taekwondo fighter. However, he retired after suffering an injury. On a particular day, a young girl, named Na-Rae, appears in front of him. Compared to her younger self, she has transformed into a grown woman and happens to dorm with Min-Hyeok. However, on the first dorm night, he was caught having sex by the auntie, and…(Source: TOPTOON, translated)