yoshimura ken'ichirou, yosshii, hatsune miku, vocaloid, 2boys, 2girls, age difference, alternate costume, aqua eyes, aqua hair, bento, black hair, book, breasts, building, chair, chopsticks, cityscape, classroom, collared shirt, desk, eating, food, food on face, hair between eyes, hair ornament, hand on own hip, holding, indoors, long hair, looking at viewer, looking back, multiple boys, multiple girls, muscular, open book, pants, pen, pleated skirt, reflection, rice, school, school desk, school uniform, shirt, short sleeves, silhouette, sitting, skirt, skyscraper, small breasts, solo focus, sweater vest, teacher, teacher and student, twintails, veins, very long hair, watch, window, wristwatch, writing