2boys, 2girls, black_eyes, black_hair, blue_eyes, blush, brown_hair, closed_eyes, collared_shirt, embarrassed, facial_hair, grey_background, hair_ornament, hairpin, hand_in_another's_hair, hand_to_own_mouth, jacket, labcoat, long_hair, long_sleeves, multiple_boys, multiple_girls, necktie, off_shoulder, open_mouth, otoko_no_ko, profile, purple_eyes, school_uniform, shirt, short_hair, sketch, stubble, sweatdrop, sweater, upper_body