Rule 34 Dev - 2boys 2girls aoi_tsuyu blonde_hair blush collared_shirt gradient_hair hair_between_eyes highres kusanagi_nene long_hair long_sleeves looking_at_viewer multicolored_hair multiple_boys multiple_girls ootori_emu open_mouth orange_hair pink_eyes pink_hair project_sekai shirt short_hair smile tenma_tsukasa|25478292060