Felix had previously sensed the faint residue left in Chloe's mouth, which was diluted after being washed away. Even so, Felix had been able to determine the medicinal ingredients used.

As he inhaled the pure, undiluted scent of the serum, he realized he had been overlooking a crucial truth.

The women who had supposedly been cured of their body odor by the Malevolent Phantoms' methods weren't actually healed in the way everyone assumed. Their new, faint fragrance wasn't the key result of the s