Stella was never given any love from her family or any skills given by God. When her sister loses the heart of her fiancé and she runs away to a monastery, Stella awakens to the joys of cleaning and becomes a maid to Cecil, a prince with a reason to stay in a room filled with a noxious gas! Before she knows it, she has acquired the skill of "purification" - a skill that, when combined with his "destruction" skill, transforms a magical beast into a fluffy holy beast! Stella, who possesses such saintly powers, has a secret about her origins...?
家族からの愛も、神から授かるスキルも、何も与えられなかったステラ。
妹に婚約者の心まで奪われ修道院に駆け込んだステラは、掃除の楽しさに目覚め、瘴気に満ちた部屋に引きこもる訳あり王子・セシル付きのメイドになることに！
すると、いつの間にか“浄化”のスキルを身に付けていて―
―彼の“破壊”スキルとの合わせ技で、なんと魔獣がもふもふ聖獣に変身！ そんな聖女たる力を持つステラの出自には、秘密があって――!?