Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 1 - 1-8. The Demon, the Knight and the Magician

Kazuki’s life was painfully average—just another cog in the nine-to-five grind. His only escape? Binge-reading novels and no-lifing video games.Then he woke up inside one of those novels.Armed with unstable morals, unhinged humor, and a penchant for pettiness, Kazuki is determined to survive, thrive, and maybe cause a little chaos along the way.The world has no idea what’s coming.

1 drop of blood = 1-Up

Other people game overnight, I game overnight and bleed.

Ever since the dimensional storms descended upon Earth, numerous dimensional zones have appeared, bringing with them all kinds of dimensional creatures—Immortals, Buddhas, Devils, Angels, Elves, etc.

Yet, all these strange dimensional zones can turn into dungeon instances on my phone. Other people risk their lives adventuring, I spend all my time gaming.

Monsters drop dimensional crystals that boost stats, imbue new skills, and join me as Companion Beasts. These Companion Beasts fight alongside me or alone, augmenting me with their skills and strength. Rare monsters in real life? I’ll just restart the game with a drop of blood to grind it.

I really need a blood transfusion.

A decision can destroy the sun, moon and stars. A finger can kill the Heavenly Overlord. While chatting, the Heaven and ten worlds can be annihilated.

Ever since he was little, Xi Jia’s yin energy was strong, and every day he saw ghosts and ran into ghosts. One day, he accidentally broke the protection amulet. Celestial Master Ye Jingzhi happened to pass by and helped. Are ghost catching Celestial Masters all legit masters? WeChat official accounts, Taobao online shops, looking at gossip tabloids every day. Since then, Xi Jia has refreshed the lower limit again and again, and met a group of completely unreliable Celestial Masters. Binding spirits, doppelgängers, the Mausoleum of the First Qin Emperor, the ghost market of Poyang… The door to a new world is slowly opening.

Set in an urban city with supernatural elements, this is a love story between Xi Jia, who has a body of extreme yin, and Celestial Master Ye Jingzhi, nicknamed the King of Hell. The seemingly weak Xi Jia, in actuality, can rip apart ghosts with bare hands; the seemingly cold Ye Jingzhi, in actuality, is shy and gentle. A marriage contract binds the fate of two people together. See how the two people overturn the heavens in the gossipy and wacky metaphysical world.

- Description from Novelupdates