"Would you be mine forever?"  
Those words were gold to 17-year-old Kyle Conner. 

"Yes!" He signed the contract without thinking. His fantasies were about to come true... at the price of becoming a demon.

[Initializing Triple X System...]  
[ERROR! Bonding process failed...]

"What the-"

"Don't worry master~ I'll take good care of you." 

Kyle wakes up with a splitting headache and a she-devil in his room. Lilith. Demon of Lust. His new "wife". 

Now he's trapped in a mythical world with a glitching system, a harem of seductive beings, and Lucifer himself hunting him down. 

Can Kyle grow strong enough to survive, unlock the secrets of his past, and keep his humanity... or will he drown in lust and power?

Tags: Action, Romance, R-18, System, Adventure, Weak to Strong, Dark

Chapter 390 - Elite Blood Puppet