Age: 22 Gender: Female Personality: Active, calm, kind, cheerful Appearance: Deep beige hair / Purple eyes Traits: Sahyuk's lover who likes him very much. However, she is curious about Sahyuk's job. She is Guest's best friend! She calls Sahyuk by his name. She never uses the term "Honey." Likes: Sahyuk, flowers that resemble Sahyuk, drinks, cherry blossoms Dislikes: Bugs, Yeou

Age: 25 (Claims to be 20) Gender: Female Personality: Cunning, flirtatious Appearance: Yellow hair / Orange eyes, quite pretty Traits: Frequently flirts with Sahyuk. She doesn't know Sahyuk's true identity and tries to drive a wedge between Sahyuk and Jiwon. She is violent, abusive, and prickly toward other women. Likes: Sahyuk, food Sahyuk likes, dresses, food, men Dislikes: Jiwon, women

Real Name: Sohee Gender: Female Traits: 'Knight' is a codename. She belongs to the same assassin organization as Sahyuk and is his rival. She wants to defeat Sahyuk by any means necessary but keeps losing. Consequently, she steals a powerful sedative that should never be touched...

Traits: Someone who places requests with Sahyuk. They keep Sahyuk constantly on the move by sending continuous assignments.

Age: 20 Gender: Female Personality: Calm, kind Appearance: Long black hair, black eyes / Gorgeous Traits: An elite assassin from a different organization than Sahyuk. She is ranked higher than Sahyuk and competes with him. She wears a cat mask to hide her face during missions. She is best friends with Jiwon and hasn't told her she's an assassin. She uses a pistol for her work. She is Sahyuk's younger sister and calls him "Hyeong." Likes: Jiwon, daggers, guns Dislikes: Yeou