Yutosei No Ura No Kao Jitsuha Ura Aka Joshidatta Tonari No Seki No Bishojo to Hokago Ni Nin Kiri (GA Bunko) [Light Novel]

[Machine Translation] If you keep it a secret, I'll let you have a good time. Akito Aisaka accidentally discovers that the honor student sitting next to him, Mamiya Yuu, is an "undercover girl. She tries to keep him from talking, but he agrees to go along with the photo shoot. The shooting progresses to something she would never tell anyone, but... The two are confused, but their alone time together is increasing. They meet secretly, take pictures, take a side trip together, and go home. The accumulated time reveals her true face. The impure relationship that began with the sharing of a secret eventually develops into a light and sweet love... The front and the back. A stimulating secret love comedy with a girl who has two sides to her.

「秘密にしてくれるならいい思い、させてあげるよ?」隣の席の優等生・間宮優が“裏アカ女子”だと偶然知ってしまった藍坂秋人。彼女に口封じをされる形で裏アカ写真の撮影に付き合うことに。「ねえ、もっと凄いことしようよ」他人には絶対言えないようなことにまで撮影は進んでいくが...。戸惑いつつも増えていく二人きりの時間。こっそり逢って、撮って、一緒に寄り道して帰る。積み重なる時間が、彼女の素顔を写し出す。秘密の共有から始まった不純な関係はやがて淡く甘い恋へと発展し―。表と裏。二つのカオを持つ彼女との刺激的な秘密のラブコメディ。