MTL - Self-cultivation of Male Supporting Role - Chapter 327 knock on the door

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

I got transmigrated into a game I’ve never seen before.

I thought it was a top-notch RPG and spent 30 years on it.

I retired as a war hero and planned to spend my remaining time leisurely.

But it turns out, it was an academy story?

A genius inventor dies and awakens in his younger self's body... but not quite. This isn't his original younger self-it's an alternate version from a reality where the supernatural is real.To make matters even more chaotic, he discovers that someone has decided he is the successor to Solomon. Now, he possesses the power to enslave devils. Armed with his intellect and newfound abilities, it's time to spark a worldwide revolution... starting from his garage!---Tags: Neutral-Evil MC (enslavement, selfish MC), Harem (of course), Inventions, Technological Progress, Sacred Gear Creation, AU DxD Universe (part of Dragon's Omniverse).This fanfic is a STEAMROLLER, with the main focus on the MC's development and his technological innovations, as well as their impact on the world. If you're looking for drama, suspense, or epic battles with no real purpose, this isn't the story for you.

[Ding!][Cashback System Activation Requirement Met!][System Binding In Progress...!][System Successfully Linked!][Spent $1,000. 10x Critical Hit. Earned $10,000. The money has been transferred to account XXX-XXX-XXX][Spent at least $1,000 on a beautiful lady. Received 1 lottery ticket. Do you want to use it?][YES][NO]Kyle was a man that has never had any luck in life and he was on the verge of ending it all after being fired from his minimum wage job due to a customer's complaint which turned out to be a lie but due to the customer being an attractive lady, no one believed Kyle.To make matters worse, he had to pay for the damages that was caused by the customer.Beautiful people, they had it easy, didn't they?This was his last step and he knew that he wouldn't see tomorrow as he searched for a river to throw himself in.He thought his mind finally broke as there was no explanation for the Cyan Screen that popped up as he clicked the [YES] button.[You have drawn Charm!][Charm: There is nothing the user can't charm his way out of or into! The universe has blessed you with charisma!]“Hahaha! I must have lost my marbles...” Kyle muttered to himself but his phone soon rang out to show that he had a notification.And to his surprise, he saw $10,000 sitting in his account and his jaw dropped.“THIS IS FOR REAL!!!”