MTL - Marvel: Unlimited Possession - Chapter 655 sentinel

In the foreign world, the martial artists dominate the world and the sword of the emperor controls the fate of hundreds of millions of lives! Long Yu, the number one killer on Earth, after dying, takes rebirth in this new world in an aristocratic family of martial artists but faces rejection because he is unable to practice martial arts.

- Description from Novelupdates

A Young woman dies on her trip to Japan in the most anticlimactic way possible, buried by a pile of manga, light novels, and even lewd doujin after an earthquake. In her last moments, all the wishes she has suddenly become reality and materialize in all sorts of Special Abilities before she finds herself reincarnated into a corpse!

Wait... Why is the corpse not moving? No matter how much she tries, it doesn't move, she's not even a zombie or something!

Wait... Why is she stuck with the unmoving corpse? The corpse is actually not part of her anymore!

Wait... Why is she not a physical being? Her hands are translucent, and so is her entire “new” body!

“Ah... I am a ghost?!”

Accompany Maria as she survives as a ghost in a brand new and unwelcoming world, raises her own skeleton as her friend, and seeks the truth behind her second life’s death and how exactly she turned into a ghost.

Not only will she have Phantasmal Powers and Dark Magic, but even the ability to raise her own Undead Army! Will anything be able to stand before her path for revenge?

The apocalypse descends, zombies and monsters appear, followed by System Leveling, which grants skills to all survivors.With the collapse of law and order, some become powerful while others remain weak, and so the dark ages begin.