Rule 34 Dev - 1other 2girls 3boys armband belt black_border blank_censor border bow bowtie bra breasts censored chair classroom collared_shirt desk dress_pants dress_shirt faceless faceless_male female_pubic_hair greyscale groin indoors light_blush long_hair long_sleeves masturbation monochrome multiple_boys multiple_girls navel necktie open_clothes open_mouth open_shirt original outside_border panties panty_pull pencil penis pleated_skirt pubic_hair pulled_by_self school school_chair school_desk school_uniform shirt short_hair short_sleeves sitting skirt sleeves_rolled_up small_breasts small_penis smile standing stomach tsukimoto_kizuki underwear undressing window|8960323640