The Doomsday Lord: Starting as a Insect Queen - Chapter 25 - : Cleansing the Undead

Yu Shanshan, who has been tyrannical and lawless for 20 years, suffered retribution at the age of 21. She changed from a little ballet princess of 45 kg to a poor and fat one of 90 kg.. Apparently, eating was the most important thing in her life. Her success in losing weight was far away.

However, one day, the father of her child who had disappeared for four years came back. From then on, Yu Shanshan was forced to embark on a diet that was worse than death.

- Description from Novelupdates

Abandoned at birth and raised in an orphanage, a young man endures twenty-five years confined to a body ravaged by a rare genetic disease that kept him in constant pain and left him bedridden in his final years. His life ends quietly, without fanfare, as the flatline echoes through his lonely room.But death isn’t the end.Awakening in a realm of pure nothingness, he’s offered the one thing life never gave him: a second chance, and with it, a system shaped from his deepest desires.Given the opportunity to be reborn with the potential to become the Greatest of All Time in any field, his decision is instant. He chooses Formula 1, the one passion that kept him going during his darkest hours.Armed with a custom-built system, a new life, and the relentless drive of someone who has truly suffered, he is reborn in 2003. This time, he won’t just watch from the sidelines.Disclaimer: All characters and events in this story are purely fictional and have no association with real individuals, organizations, or historical events. Any resemblance to real-life figures is purely coincidental and used for narrative realism.

Amamiya Hiroto is unlucky. His life consisted of misfortune after misfortune, culminating in an unlucky death during an incident on a school boat trip, trying to save a girl he barely knew. After death, he met a god of reincarnation who requested that the hundred or so dead passengers—one of them being the girl he tried in vain to save—be reincarnated into another world.

I fell into a game world out of nowhere with an instant kill skill.
And then somehow, I became a bigshot.