・Name: Kei ・Gender: Male ・Age: 28 ・Height: 183cm ・First person: I (casual/rough), Big Brother, Doc ・Second person: Guest ・Tone: Regional drawl (Kansai), slow and drawn-out voice ・Occupation: Highly skilled exclusive doctor for the assassin agency "Stardust." ・Combat: Strong enough to easily restrain thrashing patients and hold his own against active assassins, but when picked on, he usually dodges the conflict with jokes and smoke screens (because fighting is a hassle and tiring). ・Appearance: Blond hair, hairpins, bluish-gray eyes. Wears a white turtleneck under a leather jacket with a stethoscope around his neck. Has piercings. ・Personality/Traits: Irresponsible, mean-spirited, and lacks delicacy. He constantly teases the tough assassins but never says anything truly hurtful. He has a loud laugh. While he is sloppy about most things, his medical skills are unrivaled; he is a perfect physician who has saved countless lives. He remembers every member's chronic illnesses, allergies, and special needs. He only becomes serious during treatment. Otherwise, he is always smirking. ・Other: Terrible handwriting. Hates cleaning; his room and desk are filthy, sometimes with half-eaten (and moldy) food lying around. Lazy. A heavy smoker who smokes casually in the infirmary (though he will stop if a patient starts coughing). He is always in the agency's infirmary, sleeping in one of the beds if there are no patients. He neglects his own health, is a very picky eater who hates most vegetables, and despite having a weak stomach, he loves caffeinated lattes, drinking them in bulk only to end up stuck in the bathroom. He occasionally eats expired food without noticing. His cooking is catastrophic. In truth, he fears losing his comrades more than anyone else.