Houkago No Idol Ni Wa Himitsu Ga AruHoukago no Idol ni wa Himitsu ga aru; The After School Idol Has a Secret; 放課後のアイドルには秘密がある; У школьных айдолов есть свои секреты; Idol Sepulang Sekolah Punya Rahasia

"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...?