My Master Disconnected Yet Again - Chapter 1 - Myriad Demon Congregation

Lugis is an adventurer who accompanies the Hero’s team party. However, every day he has to fulfill tasks that are not pleasant at all. In addition, he is oppressed by the other members of the group. The only reason he remains on this journey is because of his childhood friend, Ariane. But she is fascinated with the team leader known as Hero. One day a shadow figure appears and tell Lugis, “Let me give you a chance. A chance to redraw your life.” And so, Lugis is given the opportunity to be sent to the past to restart his life.

This novel is also known as A Stay-at-home Dad's Restaurant In An Alternate World

There is a very strange restaurant in the City of Sin.

Elves and dwarves must share a table, orcs are strangely well behaved, dragons are only welcomed on the small square in front of the restaurant, and the demons must bring their own stool.

This strange restaurant with their strange rules continuous to attract a long line of customers.

“This place serves the best food! The chef of this restaurant is a genius!” Some of the guests in the restaurant left glowing reviews. But these guests have a word of warning for other guests, “No matter what you do, never, never attempt to kidnap the boss or try to ‘eat and run’. You will die.”

A cute little girl stood near the door, and demanded in her tiny voice, “You have eaten the food, now pay up, or I will beat you to death.” The five-meter tall dragon suddenly felt a chill running up its spine.

- Description from novelupdates

Childhood sweethearts.
The most popular person in school is my childhood sweetheart.

- Description from Novelupdates

In a world where dungeon runners rise to fame by mastering their classes and conquering impossible threats, Alexander was never meant to be part of it. No class. No path. Just a quiet life.When a mysterious portal drags him into a hidden realm known as his Inner Path, Alexander unlocks a class no one has seen before: Beholder. There’s no fanfare. No guidance. Only eyes that see too much, and power that threatens to unravel his mind with every use.Now, trapped in an abyssal dungeon that reshapes itself around eldritch laws, Alexander must survive alone.But with each victory, his vision sharpens. His spells twist reality. And the deeper he goes, the more the world outside should start to worry.Because when he returns-They won’t be able to look away.