Rule 34 Dev - 1girl 2girls black_hair blue_hair breasts brown_eyes closed_mouth crash_fever date_a_live frilled_hairband frills hairband heterochromia mecha mecha_musume medium_breasts multiple_girls official_art ponytail robot second-party_source smile solo sword tachi-e takamiya_mana thighs tokisaki_kurumi transparent_background weapon|23698671633