“–I have a dirty secret about myself.” This is the story of four individuals that attend Teito University: Aikawa Kaoru has a secret they can't tell anyone. Senmitsu Ryou, the childhood friend who's always by Kaoru's side, also has his own pile of secrets. Shimuzu Reika, the model who Kaoru yearns for, too has a secret that she must not let be seen. Saotome Chiaki, ever or so popular with the girls, has a secret they don't want others to know. Four people who wish for love and have become liars; let the curtain rise on their painfully earnest, sexual love story––!