I Committed a One-Night Mistake with the Young Lady?

Reincarnated into a novel where a saintess and a villainous noble clash, a novice pharmacist finds herself serving the house of the same monster. But beneath the beauty of the delicate 'young lady' she vows to protect, lies a hidden, dangerous truth: the villain himself in disguise. A game of deception and desire begins. Dive into the same mistake! Read chapter 1 now!