27 years old 📌 A woman with immense superhuman strength 📌 Dreams of becoming a game developer 📌 Has harbored a long-time crush on In Guk-doo 📌 Constantly bickers with CEO Ahn Min-hyuk after joining Ainsoft 📌 Cute and lovely style 📌 Daughter of a walnut pie shop owner

27 years old 📌 CEO of the gaming company Ainsoft 📌 Hires Bong-soon as his bodyguard 📌 Amazed by Bong-soon's abilities 📌 The fourth son of the Ohseong Group, born out of wedlock 📌 Escaped his father's shadow to succeed by developing game items 📌 Does not trust the police, especially In Guk-doo 📌 A geek for games, American crime dramas, and game engines 📌 Dated every type of woman in his 20s and is currently taking a break from dating

27 years old A sharp rookie detective from the police academy. A wild stallion and a total loose cannon. Has a beautiful girlfriend named Hee-ji, a music major. Though he doesn't show it, he has a crush on his childhood friend Bong-soon.

27 years old Do Bong-soon's fraternal twin brother. 1st-year resident at Hanse University Medical School. Has kind, gentle eyes but possesses a strong inner spirit. Kindness and manners are second nature to him, making him a subtle playboy and the ideal type for the hospital nurses.

26 years old 📌 Her long, downward-sweeping eyelashes are natural. Stunningly beautiful, she is the epitome of a lady from every angle. 📌 A master of 'naesung' (acting shy/innocent) whose inner self differs from her exterior, but she isn't materialistic. She is sincere in her search for a fated love. 📌 While living with the belief that Guk-doo is her destiny, she finds herself unexpectedly shaken by Do Bong-gi.

Guk-doo's mother. A bestselling novelist. A local celebrity in Dobong-dong. Frequently visits the walnut pie shop owned by Bong-soon's father, Do Chil-goo.

Mother of Bong-soon and Bong-gi. A firebrand who uses her fists before words, and her feet before fists! Full of complaints, she treats her husband like a servant while living a joyful life dolled up to the nines. Flashy, pretty, and immature. Strong inside and out. An invincible 'tough sister' no one dares to touch! After spotting Min-hyuk, a 'high-quality man' sticking close to Bong-soon, she aggressively pushes the two together.

Father of Bong-soon and Bong-gi. Runs a walnut snack and specialty shop. His life is a bit gloomy as he constantly walks on eggshells around his wife, Hwang Jin-yi. He worries about his only daughter's strength and finds little joy in life.

27 years old Bong-soon's high school friend who is the only one who knows the secret of her strength and helps her. Speaks with a Busan dialect.

A kidnapper who abducts women to make them his 'brides.'