Sabishiro Haruka is a dull high school girl who accidentally got her secret found out by the school's popular guy, Hijikawa Kotoba! "That's it. This is the end of my high school life..." While she was feeling despair over this, she received some unexpected words from him instead. And somehow, that's how she also came to learn a secret of Hijikawa's that he's kept hidden for so long! Since that day, their life as shared keepers of each others' secrets begin...!? This is an exciting and youthful love story about shared secrets that's especially dedicated to all of you who can't reveal your real selves! 【彼がヒロインで、私が王子様!?地味っこ女子高生と学校の人気者の、秘密共有逆転シンデレラストーリー！】 冴えない女子高生の淋代遥風は、ある日学校の人気者・聖川詞に自分の秘密を知られてしまった！「終わった、私の高校生活…。」 そう思って絶望していた遥風だが、そこに思いもよらぬ言葉が返ってくる。なんとそこで、遥風も聖川がずっと隠してきたある秘密を知ってしまったのだ！その日から、二人の秘密共有ライフが始まって…!?