Houkago No Idol Ni Wa Himitsu Ga AruHoukago no Idol ni wa Himitsu ga Aru; 放課後のアイドルには秘密がある; Everyone's Darling has a Secret; 放学后的偶像有一个秘密; Fàngxué hòu de ǒuxiàng yǒu yīgè mìmì; Idol Sepulang Sekolah Punya Rahasia; A idol e seus segredos após a escola; У школьных айдолов есть свои секреты; Bí mật của Idol, sau giờ học; The After-School Idol Has a Secret

"In my class, there is a true idol."A first-year high school student at an ultra-elite school, Hiruno has to be the top student in his class according to his strict mother's order, but when he fails to fill in his first achievement test, he gets a red mark and has to take a remedial class. However, there is another participant in the remedial class...?