因一场以利益交换为目的的联姻，太玄楼刺客江元与九璇宗圣女韶月奉命成婚。两人在洞房夜发起暗杀，却发现彼此皆是不死之身。为了得到对方宗门的秘宝御妖铃、镇魔钟，两人从死敌转为表面夫妻，虚与委蛇。但两人尚不知道，对方也是家园被“虚无”所毁的外星遗民。这对宿命伴侣在戒备与试探中结成同盟，不仅要寻找遗失飞船化做的秘宝，更要对抗虎视眈眈的整个修仙界，在危机四伏中寻找击败“虚无”的希望。
恋爱白痴项楠喜欢上了女神红筱，为了提升男友力，他决定向社交软件上的四大男神请教告白秘诀。“请教我恋爱吧，师傅！”意外的是四位男神都爽快答应……一号说：霸道总裁，契约情人，你想成为谁？二号说：深夜浴室，个人卧室，你想偷窥哪儿？三号说：跪姿蹲姿，躺姿卧姿，你想怎么摆？四号说：胸肌腹肌，胯下OO，你想锻炼哪儿？……emm，求学之路似乎充满荆棘？
本次故事舞台在自由、热情的海滨城市——新旧金山。搬到这里的无敌，遇到了一位自称DJ的男子。而DJ使无敌变身成为了名叫“无敌侠”的劲舞英雄。二人立志携手用歌声与舞蹈击退突然出现的怪物，守护整个城市。而这一切的背后，一场威胁整个人类的危机正暗流涌动……
Not only is Marinette Ladybug, the superheroine that protects Paris from the attack of villains, but she’s also now the guardian of the Miraculous. This means that not only does she need to keep her identity hidden, but also the existence of these turbulent, magical creatures, the Kwamis! Marinette has a lot of pressure, not to mention her school and love life! Now she has less time and opportunities to tell Adrien her feelings... Marinette now has to redouble efforts to protect her secrets and Ladybug will have to become stronger to face an indomitable adversary: Shadow Moth, who can now fuse the Butterfly and Peacock Miraculous! Thankfully, Ladybug can count on Cat Noir and their new superhero allies!
东映公布了#光之美少女# 系列第19作，标题为《Delicious Party♡光之美少女》。
