The villainous young lady is reincarnated as a middle-aged man in modern Japan!
Chloe Demantoid, a notorious villainous woman, on the verge of death,
Chloe vowed to live a pure and righteous life in her next life, and
was led by a mysterious voice to be reincarnated in modern Japan.

As a middle-aged man...!!

TLDR
The story follows the villainess Chloe Demantoid, who is about to be executed. Upon her death, she vows to live a righteous life upon reincarnation. In modern-day Japan, Chloe is reincarnated as Kuroe, a smelly middle-aged man.