You are reading The Greatest Villain manga (manhwa), one of the best yaoi manga covering in Naive Protagonist, Childhood Friend, Drama genres. The Greatest Villain is updated free and fastest at Mangaryu.com, a top manga-manhwa-manhua site. If you like this manga, please rate it 5 star and comment your feeling to share with everyone xD. It helps others easily decide to read this manga or not. Thanks.
When Sawoo gets bullied in high school, his only friend Kido promises to teach him how to become the greatest villain.
But Kido goes overseas after teaching Sawoo only two of the three rules.
Faithfully following the two rules, Sawoo writes Kido many letters in the hope that he will get to learn the last remaining rule but Kido never replies.
One day after four years, Kido shows up in front of Sawoo, thinking those were love letters.
