Kujibiki Tokushou: Musou Hāremu ken - Chapter 21

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

Introduction: Su Muge, a God’s favored girl in the medical community, became an ugly girl due to time-space travel. Her father disliked her and her mother was too cowardly to protect her! Xia Houmo, a lonely wolf who was haughty and ever triumphant in battlefield, was asked by the emperor to marry a useless and ugly girl! On their wedding day, there was an assassin and he took her as a shield, as a result, she was wounded. Su Muge smiled slightly with crimson eyes, “Xia Houmo, I owed you, and I pay you now.” Seeing her red blood, his heart hurt… “Su Muge, you owed me too much and you must pay me birth after birth!” The heroine was not beautiful and not omnipotent, but she had golden light and magic hand.

In a world where all magical spells have been captured into cards, those who can build a deck have the most power.The most Arthur could ever hope for was to someday earn a trash-tier spell card. When fate grants him a legendary Master of Skills card, he's thrust into a world of opportunity and danger.To survive and grow strong, Arthur must learn skills. All the skills.

Only I know the end of this world.

One day our MC finds himself stuck in the world of his favorite webnovel. What does he do to survive? It is a world struck by catastrophe and danger all around.

His edge? He knows the plot of the story to end. Because he was the sole reader that stuck with it. Read his story to see how he survives!