S1, E2: Chan-Woo, a senior classmate who wants to date Mi-Rae, tries to be alone with her, but Kyung-Seok appears and saves her. Mi-Rae didn't tell her father, Tae-Sik, that she got plastic surgery. When he attends the university entrance ceremony and Mi-Rae greets him, he refuses to accept that she is his daughter and he leaves.