Rule 34 Dev - 1girl arms_behind_back bdsm breasts brown_eyes brown_hair corrector_yui cupsoup curly_hair energy energy_drain closed_eyes glowing kasuga_yui leotard lightning magical_girl medium_breasts medium_hair navel open_mouth pain purple_background red_leotard restrained ryona scared screaming solo sweat tentacles tube white_leotard|11704235049