matsuo yukihiro, chaos;head, science adventure, game cg, official art, 1boy, angry, blazer, brown hair, brown jacket, clenched hand, clenched teeth, collared shirt, cowboy shot, dress shirt, earrings, furious, green eyes, jacket, jewelry, lapels, looking at viewer, male focus, misumi daisuke, necktie, notched lapels, pants, plaid clothes, plaid necktie, plaid pants, purple necktie, purple pants, raised fist, red trim, school emblem, school uniform, shirt, short hair, simple background, smile, solo, sprite, standing, suimei academy school uniform, teeth, transparent background, white shirt