县立学文高中一年级2班，那里有位刚一入学就得到全校注目的男子，他的名字叫坂本（绿川光 配音）。他戴着黑边框眼镜，个人特征是左眼下的泪痣。他不但相貌英俊，着装整齐，而且眼神凌厉，一举一动都华丽潇洒，帅气爆表，因此总能成为众人的焦点，受到女生们的疯狂追捧，但是也因此引起不少同龄男生的嫉妒，包括同班同学阿酱（杉田智和 配音），以及高二级学长8823（游佐浩二 配音）。对面男生们花样百出的陷害和报复，坂本总能帅气满分地完美解决这些麻烦，让男生们甘拜下风。 本剧改编自日本漫画家佐野菜见原作的同名漫画。
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!
