Only I Cultivate - Chapter 25: Trapped

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

Our protagonist, once a homeless child navigating the city's harsh realities, clawed his way towards a better life. He stole coins to buy knowledge. However, the prestigious university scholarship he craved was a rigged system, awarded to a politician's son who needed the name, not the education.Descends into a life of crime.After being forced to taint his pride his death is ordered with his own making the final blow.god “congratulations you're given a chance at a new life...”him “ why?”god “cause you had a tough life so im being generous... and making you reincarnate in a mana world...”him “ bullshit...”On the brink of oblivion, a dubious offer arrives – a second chance from a strange god. Haunted by the shadows of past 'generosity', Rei struggles with suspicion. Accepting means becoming a pawn, rejecting means eternal damnation. With no good options, Rei plays along, unaware his role thrusts him into a cosmic conflict.

Crossing into the world of Naruto, and acquiring the One Piece system, with all the powers of the world of One Piece, swordsmanship, devil fruit, domineering.

-Do you think that your fire is very powerful? I have the burning fruit.

-Do you think that your thunder is very powerful? I have a thundering fruit.

-Do you think that your otter is very powerful? I have the frozen fruit.

-Did you said you want to die? Don’t worry, I also have a nickname: Death Doctor.

- Description from Novelupdates

As an international mercenary, Feng Luo entered a technologically advanced parallel world during a mission.

After living several years in the new world, an online sci-fi game called War became popular across the entire Star Federation.

Desert Eagles, Barrett, AK-47, Apache, RPG… One after another, familiar gears awakened his memories of the past!

Terminator, Zerg, Resident Evil, the Force,… The missions that appeared after a system update made him even more suspicious and shocked! As such, Feng Luo entered War and became a sniper.

- Description from Novelupdates