The Main Characters That Only I Know - Chapter 434:

Akira Kisaragi traverses into the Bleach world, unlocking a check-in system.He initially thought that by checking in daily, he could become stronger, soon become the Captain-Commander, join Division Zero, punch Yhwach, kick the Soul King, and marry Unohana...However, the system's style wasn't quite what he had imagined.〈 Check-in complete, obtained Genryūsai Yamamoto's secret roasted sweet potato! 〉〈 Check-in complete, obtained exclusive attribute: King of Normal Attacks, effect... 〉〈 Check-in complete, obtained Retsu Unohana's... 〉Akira's eyes suddenly lit up!“Seems like this might not be so bad after all!”

The King of Hell sentences you to death by midnight, but I can ensure that you live past morning.

The young man, Qin Lang, received the inheritance of a poison school by chance. He uses poison to kill people, uses poison to save people and he uses poison to chase beauties. With body of ancient extinct poison and a body of a martial artist, he walks around the city, and wanders around in the underworld.

- Description from Novelupdates

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.

- Description from Novelupdates

[Time Travel + Pocket Dimension + Strong Female Lead + Happy Ending + Both Pure]Jiang Ning thought that someone like her, with hands stained by blood, was destined for hell after death.Unexpectedly, upon her demise, her soul traversed to another world, where she encountered a kind-hearted and handsome scholar who brought her home.This scholar was perfect in every way: he could write, paint, style hair, sew clothes, and even tell her after she had killed someone, “Jiang Ning, this isn’t who you’re meant to be.”……Liu Ming’an thought that someone like him, all alone in the world, accustomed to solitude, would remain lonely for life.Unexpectedly, a chance glance in a crowd stirred his compassion, leading him to bring home a battered young woman.This young woman was perfect in every way: she could cook, earn money, catch thieves, fight, and even solemnly promise him, “Liu Ming’an, I will protect you!”……Gentleness collides with indifference, darkness encounters warm sunlight.“You are my redemption!”“You are my good fortune!”