Became a Failed Experimental Subject - Chapter 0: Prologue

Sano Yuji, a black company employee, is summoned to another world while finishing his work at home. His profession in the other world, a Monster Tamer, is considered a job that makes it difficult to become an adventurer. However, thanks to some slimes he met, which read several magical books, he gained magical powers and the second profession, Sage. Yuji acquired overwhelming power, but is he conscious of his strength? Blindly becoming unparalleled and strongest in the world!

Ryzel, a nineteen-year-old guide, was expecting to marry Dwight, but the man changed his mind a month before the wedding.“I’m sorry, Ryzel.I wanted a nice and compassionate wife, so I am going to marry Sean instead.Unlike you, who were usually preoccupied with other things, he always showed concern for me.Not to mention how highly compatible we are with one another.I've actually met him before, but he persuaded me to date you because he feels sorry for you.”Without even waiting for Ryzel's response, the man left.Ryzel, who was left behind, can't even bother caring about his heart because he's been dealing with a lot of issues as a result of the sudden rejection.He was turning 20 in a month, which meant he had to be married according to the federation's laws.After he reaches the age of 20, the government's assistance will cease, leaving him to fend for his own expenses.If he is not married to a powerful sentinel, he will not be able to reclaim his inheritance and will be forced to die on the front lines.He instantly began looking for solutions, but his hope kept dwindling as his birthday approached without a proper solution to his problems.On the day he felt all hope was lost, his ex’s superior, General Lewis, proposed to him.“I'm not gentle and kind; my priority probably won’t be you; our compatibility may not be high; do you still want to marry me?” Ryzel questioned, fixing his gaze on the general.“It's okay, I don't need my wife to be gentle and kind. Our compatibility is also high. You can focus on your studies, job, or dreams. As long as you remember that you are my guide.”“Okay, let’s get married.”------------------------This is the story of Ryzel's advancement in career and love life, even with all the troubles surrounding him.

He Tiantian had always treated the people around her with a grateful heart. Yet in her middle age, she discovered that she had been living in a deception filled with lies.Returning to the past, He Tiantian, with the assistance of the Little Silver Snake, began a new life.From a different perspective, so that was the truth!In this life, she would never again be willingly blind.In this life, she would never again miss out on or take for granted her childhood sweetheart, who had treated her with true affection. She would treat him well, trust him, and have a warm home.******

I exist in the darkness, disappear under the bright light, and will eventually devour the sun and turn into the shadow of all things… Known by people as the indescribable terror of darkness; the king of shadows; the dark day; the existence of the shadow of the world , is still just a somewhat special high school student, facing a weird death game…

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