After spending years confined at home, Ah-Yeong finally secures a position as a café manager—thanks to a friend—and moves into her first apartment. Eager to be a good neighbor, she decides to take cookies to the man next door… only to find out he’s actually Wujin, the student she tutored a decade ago! What begins as a simple reunion quickly evolves into regular dinners and warm evenings spent together. However, one evening, while Ah-Yeong is busy preparing dinner, Wujin accidentally tips over a box—and a very personal gift from her friend rolls out: a dildo. Embarrassed, Ah-Yeong hurriedly tries to conceal it, but Wujin merely grins and remarks, “As your former student, I believe it’s only fair I assist you.” Excuse me?! When did this timid little student mature—and how did this turn into that kind of tutoring? This was certainly not part of the lesson plan…