nishijou myu, nishijou takumi, chaos;head, science adventure, highres, 1boy, 1girl, blue hair, brown jacket, character name, d-sword, dress shirt, english text, happy birthday, holding, holding sword, holding weapon, jacket, loose necktie, male focus, necktie, open collar, open collat, pants, plaid clothes, plaid necktie, plaid pants, school uniform, serious, shirt, short hair, simple background, solo, standing, suimei academy school uniform, sword, weapon, white shirt, yellow eyes