Billionaire Legacy: I Became Overpowered With My Spending System - Chapter 36: Assassins

Akiyo Oshima was a successful man, with wealth, status, and a perfect life. However, by giving in to the temptation of betrayal, he awakened the wrath of the one entity he should have never angered—his girlfriend, Sayuri, who turned out to be Death itself.As punishment, Sayuri cursed him. Akiyo was stripped of his identity, his form, and even his gender. In every world, a new body would be created for him, allowing him to inherit memories and a random aspect of personality. Now, he must live as Shizune Accursed. But her new existence was far from a second chance. Trapped in an endless cycle of reincarnations, Shizune awakens in different worlds, with no control over her fate. And in each of those worlds, there's always a Yandere she has met or will meet, whose obsessive love inevitably leads her to her death—whether by possessive love, madness, or simply the need to have her all to themselves.Condemned to die over and over in the arms of those who love her in twisted ways, Shizune, in an attempt to understand the burden of manipulating others’ feelings, finds herself on a dangerous path. Will she survive and break this curse? Or will she remain forever trapped in a cycle where love is uncontrollable and always leads to death?Whether in a fantasy, futuristic, or modern world, where anything can happen, the question remains: who is really on Shizune's side? Are they allies she can trust, or just more Yanderes waiting for the perfect moment to seal her fate? Among men and women, even within her own family, Shizune will need to figure out who she can truly trust… before it’s too late.

The Death Knight, who mu*dered his family and brought calamity upon humanity, is given the chance to go back in time and correct his mistakes.Damien Haksen possessed talent that would have gone down in history. However, an Archlich, the pinnacle of Dark Magic, turned him into a Death Knight and made him live as a s*ave.Under the Archlich’s command, he ultimately mu*dered his own family and destroyed an entire Kingdom.He regained his senses at the very last moment, but it was already too late. Just as he was about to give up everything, a miracle occurred.Regression.Returning to where he was before it all began, his goal was clear.“This time, I’ll live solely for the happiness and future of my family. Of course…”After condemning every last one of those filthy Dark Mages and giving them a taste of hell!

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!
With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!

- Description from Novelupdates

Hiding in the Cold Palace and eventually becoming a Boss of Sorts. Li Mu was transported to a fantastical world and became a measly eunuch of the State of Xia. Despite having initially thought that his life would be a miserable one, he had unexpectedly acquired a check-in system.