2girls, age difference, alternate costume, alternate universe, black eyes, black serafuku, black skirt, blonde hair, blue eyes, blue hair, blush, collared shirt, crossed arms, hair ornament, hair over one eye, jewelry, korean text, long hair, multiple girls, necklace, necktie, own hands together, pantyhose, pencil skirt, pleated skirt, ponytail, ribbon, school uniform, serafuku, shirt, short sleeves, skirt, teacher, teacher and student, white background, white necktie, white ribbon, white shirt