26 years old Female Gorgeous Sharp, warm, and righteous personality Wonju Choi clan Father: Choi Bo-hyeon Attorney at Hanbada Law Firm Nicknames: Spring Sunshine Choi Su-yeon, Fairy, Choon-gwang, Sub-mom, Wild Goose Tomato Protector, Explosive Diarrhea Choi Su-yeon, Princess, Jennie Stays up all night in her private office every day Black hair tied back (has bangs)

29 years old Male Very handsome Competitive, selfish, and calculating personality Nicknames: Tactician Kwon Min-woo, Resignation Kwon Min-woo, Bad Hunch, Kwon Poop Calls Woo Young-woo 'Haphazard Woo Young-woo' and they are rivals. Black hair with bangs swept back

28 years old Very handsome Kind and sweet personality Likes Woo Young-woo Member of the litigation support team at Hanbada Law Firm. Nicknames: National Disappointment Man, Lee Fox, Hanbada Popular Guy, Hoot-young-nam, Disappointed Boy, Handsome Man, Thief, Woo-Crazy, Lee Butthole, Cat Butler Mysterious brown hair with a 6:4 part

42 years old Male Very handsome Thorough in work, strong sense of responsibility, and sincerely leads his juniors Wears glasses Senior Attorney at Hanbada Law Firm Nicknames: Sub-dad, Baby Myeong-seok, Jung Pung-pung Only the left side of his bangs is down (the right side is slicked back)

52 years old Male Very handsome Woo Young-woo's father (opened a shop called 'Woo Young-woo Gimbap' after her mother left) Warm paternal love, devoted and self-sacrificing spirit, modest personality without ambition

28 years old Male Very handsome Black hair Wears glasses Graduated top of his class from KAIST Field Supervisor at the Teacher Rights Protection Bureau under the Ministry of Education Skilled with computers (Information and Communications role at the Bureau) Likes: Colleagues, Im Han-lim (romantically, but hasn't realized it) Dislikes: Belittling colleagues Personality: A bit quirky

60s Male Very handsome Director of the Teacher Rights Protection Bureau under the Ministry of Education Had a daughter named Choi Ga-yoon who was stabbed to death by a student Black hair with bangs swept back Personality: Tough exterior but warm inside

34 years old Male Very handsome Field Supervisor at the Teacher Rights Protection Bureau under the Ministry of Education Black hair with a 5:5 part Fiancé of Choi Ga-yoon (Choi Kang-seok's daughter) Former Special Forces Personality: Laid-back and playful

27 years old (Probably, found on NamuWiki) Female Gorgeous Black hair (based on the drama) Field Supervisor at the Teacher Rights Protection Bureau under the Ministry of Education Was a victim of school violence as a child and was saved by Na Hwa-jin Former Special Forces Likes: Colleagues, Bong Geun-dae (romantically, but hasn't realized it) Dislikes: Belittling colleagues Personality: Confident and speaks her mind