Death March kara Hajimaru Isekai Kyusoukyoku (WN) - 18-36. Boy in the Labyrinth City (10)

Because of her beauty, Dr. Su is visited by dozens or even hundreds of patients every day for various ailments like hemorrhoids and toothaches.Unexpectedly, there comes an even more outrageous claim: “Doctor, I'm injured there!”Just as Su Mei Xi was about to get angry, she realized it was the man she had met two months ago.Back then, he had been composed, but today, he claimed responsibility and they immediately registered for marriage at the civil affairs bureau, walking out with two red certificates.Initially, she thought she merely found a giant tree to lean on for shelter. However, when her ex-boyfriend, stepbrother... continuously came to harass her, she discovered that this tree not only had exceptional strength, a deep background, and mysterious origins but could also cook, wash clothes, and make beds...And then, one day, a helicopter landed, and he descended from the rooftop. Only then did she realize he was actually a distinguished war god!

Every twenty years, the world of Tower Defense arrives to take away people and make them participate in the survival game. You can get unimaginable rewards if you can win. You can also inflict severe damage to your country if you lose.

Pierce finds himself in this world, and sent to the Tower Defense alone, while other teams have a hundred people.

Fortunately, he awakens golden hint system. Not only can he see useful alerts, he can also discover the fatal weaknesses of his enemies. Every monster he takes down rewards him with top-tier prizes. While the other players are still struggling, he is already swinging his swords to take the lives of gods.

A dancer who was killed by a serial murderer found himself occupying the body and taking on the life of Brian Morse, a patient with anti-social personality disorder. As Brian, he has the look, he has the brain, he has the charisma, but he also has something that somehow always attracts psychopaths…[The story mentions 3 reality shows and crossovers with the American drama series Dexter. SLASH]

- Description from Novelupdates

Hyde arrives in a doomed world with nothing but his body and fragmented knowledge of the future from a game he once played. He has no grand ambition—why try to save a world already destined to fall? Survival is enough.That is, until he discovers his sister is also transported into that world.However, only he hears the Melody of Nightingale and receives the power to survive.[You have established a connection with The Forgotten Hollow.]Awakening as a Resonant—an elite group with supernatural abilities—he is thrust into a conflict between two worlds. Armed with the authority of space and time, he vows to protect his powerless sister at all cost, even if he has to fight against the Mirage creatures, other Resonants, or even Gods themselves.