Seventeen Again: The Sweet Life with My Family - Chapter 10

Mu Zhiyan, after being transmigrated a millennium (1000 yrs) into the future, discovered that he was raised by his adoptive parents as a tool for them to access the heritage his (dead) biological parents left behind. When he was at a loss for what to do next, he discovered that his body hosted an additional
pharmaceutical system.

For a chance to return to his era of Earth, Mu Zhiyan decided to practice and practice; he must train the system to full level as soon as possible.

However, reality gave him a slap in the face. The world is dangerous and dreadful, making Mu Zhiyan recall his mother’s words of holding a thick thigh, resulting in him locking his eyes on a cool general…

So the rumored mysterious Mu Master faced General Han with a serious face: “I allow you to follow me, General Han.”

General Han: “…”

- Description from Novelupdates

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.

After traveling for three years, Lin Yu was drawn into a horror game unexpectedly.

However, he discovered one thing.

The dungeon boss feared by countless players turned out to be the little loli who called her big brother next door.

then.

In the horror hospital, the director of the hospital turned out to be the uncle downstairs who made him and his granddaughter fall in love.

In the bloody slaughterhouse, the existence known as the bloody butcher turned out to be the uncle upstairs who wanted him to be his brother-in-law.

In Changteng Ghost School, the woman who frightens countless students is actually the long-legged sister Yu who invites her to her house for dinner whenever she has nothing to do.

…

Traveling through three years, you told me that this place is actually a horror game world?

(Introduction is weak, please read the text)

- Description from novelbuddy

Adam begins as an ordinary high school student whose life is shattered when his parents vanish. The police later declare their deaths a double suicide, a conclusion Adam refuses to accept.His persistent quest for a real investigation leads him into a dark conspiracy when two corrupt police officers kidnap, torture, and murder him. In his final moments, they reveal his parents were also murdered by an untouchable, powerful entity.Instead of dying permanently, Adam awakens with a new reality: he has been granted a 'System' and the supernatural ability of 'Return by Death,' forcing him to relive his final days.Confused, Adam tries to confide in his trusted teacher, only to be betrayed and killed once again. This time, he learns the staggering reason for his persecution: a $100 million bounty has been placed on his head, making everyone a potential enemy.Dying again and again is horrible. The pain changes Adam completely. The sad, normal boy he once was is gone. He becomes a cold and ruthless killer. He trusts no one. If he even suspects someone might be a threat, he will kill them without a second thought. His only goals are to survive this deadly game and get revenge for his parents.During one of his loops, while investigating, Adam crosses paths with a female classmate being tormented by bullies. He saves her in a moment of detached action and quickly forgets the incident, focused only on his own war. For the girl, however, this act of salvation ignites an intense and devoted love.This devotion becomes a tragic and recurring element in his nightmare. The girl, willing to do anything for him, repeatedly throws herself in harm's way to protect him, often dying in his place across multiple loops.Adam is now trapped not only in a fight against a vast conspiracy but also in a cycle of watching an innocent person die for him, further cementing his transformation into a hardened protagonist who has lost nearly everything, including his own humanity.