MAENG Sa-seong excelled at his old school. However, at a new school located in an affluent neighborhood, the situation completely changes, and students make fun of him for being from a not-so-rich family. On the other hand, Hyun-jeong living next door to him is the best high school student in the country and never feels timid with anyone. MAENG Sa-seong is a daddy’s boy, for his father is so dedicated to him, while Hyun-jeong is bright and always confident, growing up without her father. Will Mr. MAENG succeed in forcing Kang-du, a redneck rogue, to move out?
| Actor | Role |
|---|---|
 Cho Jae-hyunMaeng Man-su | Maeng Man-su |
 Son Chang-minChoi Kang-du | Choi Kang-du |
 Lee InMaeng Sa-seong | Maeng Sa-seong |
 So I-hyeonChoi Hyun-jeong | Choi Hyun-jeong |
 Son Hyun-jooNot listed | Not listed |
 Lee Sung-minGang | Gang |
 Baek Kyung-chanWoon-tae's Subordinate | Woon-tae's Subordinate |
| JJeong Ju-hwanWoon-tae | Woon-tae |
 Kim Jung-pal[Man in gangster scene #1] | [Man in gangster scene #1] |
| JJeong CheolWoon-tae's Subordinate | Woon-tae's Subordinate |