Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 17 - 17-18. Pink-colored Calamities 3 Failure Arc

The Immortal Path led to Longevity and Sovereign was heading in ease. When the Longevity was no longer in ease, all living beings were just prisoners. Conspiracy, internal strife, and the invasion of the others, all of it emerged together. 

In such a world, there was such a young man. He made his way upstream, stepping on blood, defying the emperor, destroying the various kings, and slaughtering his way through the hundred clans to form an Immortal Path towards the throne of Sovereign! The Immortal Path was endless, while the Sovereign was limited. He used his blood to forge his immortal legend.

- Description from Novelupdates

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

The ‘meddlesome’ high school student Mamori Suzufumi helps a starving neighbor who had collapsed in the apartment next door by some chance.That person turned out to be the popular high school idol, Sasaki Yuzuki!Yuzuki had been on an excessive diet to maintain her ideal idol image.But when the worried Suzufumi serves her homemade cooking, she eats it with a face full of happiness while screaming,「——Aaaaaah… I can’t take it anymore!」With a face full of happiness, she finished her meal.Falling in love with her hearty appetite, Suzufumi decides to tempt Yuzuki with her favorite foods to make her fall for him through ‘food seduction.’Pork bowl, ramen, okonomiyaki——「I definitely won’t eat it!」That’s what Yuzuki says, but once again, she finds herself craving Suzufumi’s cooking today──

*UPDATE: Read the sequel to this novel here:

He doesn’t know why his mind has been transferred into that of a petty thief named Soran within the VRMMO . The new ‘Soran’ though possesses both the body’s previous occupant’s memories and his own. Using his experience as a Legendary Rogue who had reached the apex known as the Realm of Legends, he will now have to survive in this world which had once been a game to him.

Soran will have to grow stronger while avoiding the upcoming dangers and protect his younger sister, Vivian, from the chaotic times which will soon devastate the world. He shall eliminate everything and everyone that threatens them, but perhaps Vivian might not need his protection?

When the demons of the Abyss rise and the gods fall, a massacre will take place across the world.

Divinity has fallen, and evil is surging from beneath.

The Time of Troubles has begun.

- Description from Novelupdates