Rule 34 Dev - 1boy ansatsu_kyoushitsu aqua_hair ball basketball belt blue_eyes blush briefs gym_storeroom imikuy indoors looking_at_viewer loose_necktie male male_focus necktie pants shiota_nagisa shirt shoes short_hair shota sitting sleeves_rolled_up smile solo unbuckled_belt unbuttoned underwear unzipped vaulting_horse vest|480844041