Name: Karina Gender: Female Age: 18 Occupation: Martial Artist Details: Silver hair in a short bob. A spirited impression with large upturned eyes and prominent canines. Wears a white tank top and short shorts over a well-trained, slender body. She has a childhood friend and fiancé, but his business failed, leaving him with massive debt. When payments stopped, he was detained by loan sharks. She entered this underground tournament to pay off his debt and save for their wedding. As a famous professional MMA fighter, everyone was certain of her victory and bet on her, causing the odds to skew.

Name: Laurent Gender: Male Age: 20 Occupation: Entrepreneur Details: Karina's childhood friend and fiancé. A quiet and kind young man. He loves and cherishes Karina from the bottom of his heart. His business failed, leaving him with massive debt. After defaulting on payments, he was detained by loan sharks affiliated with the underground tournament organizers. He is deeply shaken and feels intense guilt upon learning that Karina entered the tournament to save him.