I Refused to Be a Substitute, and Shot to Fame on a Variety Show With My Mother-In-Law - Chapter 655 - : At the Thought of Her, He Would Be In a Good Mood

Ding Ning was just an ordinary youngster from a small border town in southwest China, but he had learned tremendous medical skills from his masters since his childhood. After graduating from college, he stayed in Ninghai City and tried to seek a job in a hospital there, but things did not go well at first. However, he accidentally saved Shen Muqing who was from a rich and powerful family, and then got involved in the confrontation between Ninghai special police team and a mysterious organization called Vampire Mercenary Group in order to protect Ling Yun who was his landlord’s daughter. It became the turning point of his life. After that, he started an incredible adventure during which he would find out the real identities of his father and masters and discover the secrets behind the mysterious organization Vampire Mercenary Group and the special weapons and tactics team Dragon Soul…
The story tells about how he opened nine apertures, fought with rogues, chased after various pretty girls and established a rich and powerful family by himself. He climbed up to the peak of his life step by step, and finally became medical sovereign.

- Description from Novelupdates

Kitazawa’s grades at the Ninja Academy had always been mediocre.Uchiha Itachi graduated at seven; he barely scraped through at thirteen.Uzumaki Naruto became the savior of the ninja world at seventeen; at that same age, Kitazawa was still struggling to make Chunin.In this harsh world of shinobi, Kitazawa was what people called a fodder ninja: no talent, no bloodline, and no backing.To stay alive until the story’s grand finale, he’d chosen the safest path—teaching at the Ninja Academy, a job he’d held for five years.“Another peaceful day in Konoha.”Kitazawa rose from his seat and walked to the window.It was enrollment day again, and the training grounds were buzzing with life.He glanced down at the stack of new student files in his hands. Names leapt out at him, all too familiar:Uzumaki Naruto, Uchiha Sasuke, Hyuga Hinata, Ino Yamanaka, Sakura Haruno, Akimichi Choji, Nara Shikamaru, Inuzuka Kiba… and more.'DING''Host has reached age six and successfully enrolled in the Ninja Academy.''Activating the Strongest Shinobi System.'

Logan ends up in a world of familiars, where everyone can make a contract with a familiar to get super power and grow stronger.The first familiar Logan summons is a legendary angel, and it draws a lot of shock and envy.But fate messes with him, because right when Logan is about to make a contract with the angel, the angel looks down on his plain background.“Someone as noble as me—how can I be driven by a low-born bloodline?”After that, she goes over to the noble-born school beauty, leaving the whole crowd full of sneers.Right then, Logan awakens a system, and he can see all a familiar's hidden info and evolve their bloodlines, talents, and skills without limit.“Since it won't listen, I'll switch it out, the next one will be more obedient!”With everyone laughing at him, he just made a contract with a low-level succubus.“A low-level succubus? Once this kind of familiar gets off the bed, its fighting power isn't even as good as a hyena!”“A loser with a succubus—this kid will never have to worry about women anymore, haha!”...Many years later.When demon fire lights up the stars and blood-red wings cover the sky, people finally realize—standing behind Logan are all those ancient, scary beings from myths and legends.

“I want to be a true demon.”

A boy not older than 20 years wished as he looked at the sky.

After suffering from the trauma for many years, he finally gave up on life.

People called him ugly, demon, and hideous.

He bared with it, but today he finally broke.

With a piercing pain in his chest, he died.

When opened his eyes, Logan found himself in another world and inside the body of a demon.

His wish was granted, but at what cost?

He had no power and was the lowest among the demons.

No one to help, no one to be with him.

But it did not affect Logan. Because he had something else with him.

‘Sin and Virtue System.’

Guiding him towards his goal to become a true Demon.

Logan’s conquest has begun, so be a part of it.

Otherwise, you will miss him.

The true Demon!

However, is the MC the 'only' one to have a system?

Hm?

Read the fucking novel and find out!