machiko (beard), houraisan kaguya, inaba tewi, reisen udongein inaba, yagokoro eirin, touhou, silver hair, bad id, bad pixiv id, 4girls, :3, alternate costume, animal ears, belt, black hair, closed eyes, female focus, hallway, lab coat, long hair, long skirt, multiple girls, paper, purple hair, rabbit ears, red eyes, ribbon, school, school uniform, serafuku, short hair, skirt, teacher, teacher and student