Sierra, a holy maiden, serves in the temple with the mission of healing the sick and injured. However, her sacred power is gradually fading, placing her on the brink of being expelled from the temple. At that moment, a newly appointed priest named Rudy arrives. In truth, he hides his real identity and harbors a secret plan to steal Sierra’s “miracle power.” While Sierra is busy training Riko—the holy maiden candidate she summoned from another world—Rudy slowly draws closer to her. As their intertwined fates begin to shift, Sierra must make a choice that will change everything. A Cinderella-like story of a holy maiden blessed with a unique and extraordinary power.
聖女シエラは神殿で人々の傷病を癒す使命を担っていたが、次第にその聖なる力が尽き、追放の危機に直面していた。
そんな折、新しく神官として赴任したルディが現れる。
実は、彼は素性を隠し、シエラの「奇跡の力」を狙う陰謀を抱えていた。
シエラが異世界から召喚した聖女候補リコの教育に追われる間に、ルディは徐々にシエラに近づいていく。
それぞれの運命が交錯する中、シエラの選択が全てを変える――。特別な力を持つ聖女のシンデレラストーリー。