Black Tech Internet Cafe System - Chapter 900 - Arcade hall in Innumerable-Immortal Sea; BBK learning machine!?

Entering the interstellar era, Su Tan wrote novels, became a celebrity, hosted and ate food, and began to dominate the interstellar entertainment circle.

Until one day, the strongest star / anorexia anorexia / cold abstinence emperor ate his food-long! fat! It’s up!

Emperor, “Fine, marry him back, and I will punish him personally.”

Su Tan, “? ?”

- Description from Novelupdates

Every “Diver” gets 96 hours on Earth before Thirstfall drags them back. Most return broken. Some don't return at all.Dryden Sands survived that loop for ten years—until he reached Rank-A... and got killed by the person he trusted most.But the Sacred Codex he'd found had other plans—it reset everything to Day One.Now Dryden remembers everything—hidden dungeons, broken rules, future disasters.But the System remembers him...And in Thirstfall, anomalies don't just struggle—they get purged.--------------

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.