Rule 34 Dev - 3boys :3 age_progression backpack bag birdcage black_hair black_hoodie blonde_hair border cage chibi chibi_only closed_mouth controller full_body game_controller haikyuu!! hair_bun hands_in_pockets highres hood hoodie jacket kozume_kenma looking_at_viewer multicolored_hair multiple_boys multiple_persona nekoma_volleyball_uniform on_chair open_clothes open_jacket outside_border pants red_footwear red_jacket red_pants red_shirt red_shorts shirt short_hair shorts single_hair_bun sitting socks sportswear standing streaked_hair translation_request two-tone_hair unworn_footwear white_border white_footwear white_socks yellow_eyes yuungai_yuzuko|23698511577