4girls, akaza_akari, blush, chair, clothes_lift, double_bun, furutani_himawari, hair_bobbles, hair_bun, hair_ornament, hairband, hairclip, kamiki_uutarou, monochrome, multiple_girls, nanamori_school_uniform, oomuro_sakurako, open_mouth, school_uniform, short_hair, sitting, skirt, skirt_lift, yoshikawa_chinatsu, yuri, yuru_yuri