Repeated Vice: I Refuse to Be Important Enough to Die

A dream of death was the wake-up call he needed. Lofus Ray Lightless is far from a paragon of virtue. In fact, he revels in his villainy. But a vivid dream of the many ways he's fated to die convinces him that he must change his ways—or at least pretend like he will. With his trusty butler at his side, Lofus sets forth to turn the tides of fate in his favor so that he can enjoy a long and selfish life. But the future isn't quite what he's seen, and he might have bitten off far more than he can chew...

(Source: J-Novel Club)