MTL - Into Unscientific - Chapter 371 all the best?

In fact, Ling Yun was the son of a wealthy businessman. But one day, his mother finds out that her husband is having an affair with his secretary. And after that she decided to divorce her husband, but at that time she did not realize that she was pregnant with Ling Yun.

After learning about her pregnancy, she decided to move to another city. And since then, their lives have been up and down. Because of the economic crush, and also his mother's health was getting worse.

He decided to take the 'Dark' path, which led him to near death. But just as Ling Yun was nearing his end, he heard a little girl's voice asking him.

“Do you want to live?”

Leon transmigrated and became a lab rat for Hydra. But he ended up awakening the sign-in system.[Ding, sign-in reward: Glint-Glint Fruit(Pika Pika no Mi).]He starts by destroying the Hydra Base.He accumulated some time and got himself another reward![Ding! Get the sign-in reward: Sun Breathing Technique.]

“Aria,” he said softly. “Today is your birthday.”It wasn't a question, but I nodded nevertheless.“The moon is full tonight,” he added, his voice quiet. “You will attend the ceremony.”“Of course, Elder,” I replied, puzzled. All eighteen-year-olds attended the ceremony. It was essential.He leaned in, smelling gently. “You already feel it, don't you? ”The change.My heartbeat skipped. “What change?”Elder Malin's eyes narrowed. Interesting. “Very interesting.” He reached inside his pocket and retrieved a little pouch. “Wear this tonight.”I accepted it hesitantly. Inside was a simple moonstone pendant with a leather cord.“But this is for—”“Wear it,” he interjected. “Hide it under your clothes if you must, but wear it.”Moonstones were precious. They aided our connection to the Moon Goddess during ceremonies. However, they were only given to wolves from influential families (Alphas and Betas). Not Omegas like me.“Why?” I questioned.Elder Malin glanced at Mira before returning his attention to me. “Because someone is harboring secrets about you, child. And tonight, those secrets may be revealed.”I never mattered in our pack. Omegas like me serve, submit, and survive. We don't dream of love. We don't dream of power.She was the future Luna. I was just the girl who watched from the shadows.But everything changed on my 18th birthday.I felt the bond. I met my mate.One of the Alpha's sons.But the Alpha has triplets, and I felt the mate bond with all three and it seems the three of them felt it too — three perfect warriors, three powerful Alphas, three secrets buried beneath the surface.One of them is my destiny.One of them is lying.And one of them might be the death of me.The Moon Goddess doesn't make mistakes... but this time, I think she might've given me too much to handle.

Huang Dan’s pain nerve is innately different from the ordinary people. A little tore in his skin can cause him to sweat all over his body painfully to the point of him unable to make a word out.

Somehow, he began to cross world, following Mr. System to do the tasks…

In the first world, Huang Dan realizes what it means to die painfully and to live to die again.

TL’s summary:
MC suddenly transmigrated and is bind to a system, requiring him to solve mysteries. Born with a higher degree of pain sensitivity, he met different people in the different worlds and learns what kind of emotion smiling is.

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