I’ll Be the Male Leads Sister-in-Law - Chapter 513

After picking up a phone on the streets, Feng Yuchen was sent to the world of High School of the Dead. He, along with 100 people, have to travel through various worlds, fight and solve quests in order to survive.

Whoever dies in that world, would be teleported back to the real world without memories of what happened before and die in an accident one year later.

- Description from Novelupdates

The protagonist, having degenerated into a “loser” after being unable to find employment, gets caught up in someone else’s attempt to commit suicide-by-train and ends up traveling to another world. The numerous cheat powers he demands from God are all granted to him. But contrary to expectations, these powers bring about disastrous consequences for the protagonist.

Having reincarnated into another world, the optimistic protagonist (Yuuri) starts his(her) heart-warming training days with his(her) teacher.

“There is no god, only the echo of our fears, bound together in a symphony of false hope, woven to make this endless cycle of pain bearable... But I refuse to be just another note in their song. I will not be silenced to protect the gate you so desperately uphold. I don’t care for the blind masses; they are but shadows, moving without purpose. If I cannot run, I will walk. If I cannot walk, I will crawl. If I cannot crawl, I will roll. And if all that remains of me is a severed head, then I will still glare at you with the scorn of the relentless.”...In a world where Hunters fight to keep humanity safe from monstrous invasions, Timothy Walter is nothing more than an E-rank weakling, expendable, powerless, and barely surviving.That changes when a forgotten dungeon forces him into a deadly trial, awakening ancient rulers from across races.Bound to the weakest among them, he inherits a power unlike any other: “King Player.”Now, with a system that defies all logic, Timothy must carve his path, facing enemies both human and monstrous, as he ascends from the lowest depths to claim a throne none believed he could reach.

“Classes” are given at the age of 10, and the presence or absence of “skills” greatly affect life. Arel, the son of “Sword Princess” Fara and “Magic King” Leon, has been branded as “Classless”… But even without a job or skills, Arel believes he can persevere through effort.