1girl, bag, bag_on_lap, breasts, cellphone, cellphone_photo, curvy, female_pervert, holding, holding_phone, huge_breasts, long_hair, looking_at_viewer, mask, monochrome, mouth_mask, original, pervert, phone, poriuretan, pov, pov_hands, school_bag, school_uniform, serafuku, sexting, sitting, smartphone, train, train_interior, window