Romance novel Mizuki no A : A Liberal Arts and Sciences Daughter Caught in the Trap of the Arrogant Crown Prince, but I don't know why she is so doted on. Vani La Bunko
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: ライトノベル文庫サイズ ロマンス小説 傲慢王太子の罠にかかった文系令嬢ですがなぜか超溺愛されてます / 水城のあ ヴァニラ文庫