MTL - The 21st Century of the Gangsters Everywhere - ~ How is the battle of the six hundred and ninety rich stars?

[Earthlings! You have been summoned to participate in the Universe's Armageddon...][The first batch of beta testers are now being issued!][A total of 10 million spots have been issued!][You have been selected!]“What the F***” Arthur, a teenager in the slums shouted as he heard the global announcement.[Talent Awakening!][System...Error!][SSS Talent: Primordial Summoner]I was meant to summon a powerful primordial beast that would carry me all the way.So... why?“I SUMMONED A CAT!” He shouted, looking at the cute cat in front of him.By the time the game had merged with reality, Arthur already has dozens of legendary summons to aid him against the forces of evil.[You have summoned the SSS-Level “Primordial Dragon”!][You have extracted the SSS-Level Skill “Berserk”!]

While returning home from a boring day of work, a black hole opened up in front of John and sucked him in. Before he was floating in the blackhole, a helmet latched on to him. "Uploading A.I under progress...Activating Survival Kit" A weird robotic sound appeared within the conscious of John and suddenly a white energy enveloped him... After opening his eyes, John noticed he was teleported to a whole new world. A world of magic and he was a user of a system. Arkon, the world John was brought too, was a medieval world which is 10 times bigger than earth. This new world held many new mysteries and this was the beginning of John's adventure. John will dominate and stir the world with his new system. Old technologies begone and use my advanced techys instead! Ha! you want to hold a politic, economical and military war with me? Sorry but my system is too broken for you all to counter.

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?

She died in her prime as the Queen of Song.

After being reincarnated, she becomes a simple trainee.

Losing her former glory? It doesn’t matter—no one can compete with her voice as a beautiful singer.

Mocked by her lowly birth? It doesn’t matter—her true identity is enough to make the whole world tremble.

She owes huge debts? It doesn’t matter…

A powerful boss once whispered to her, “Your debt will disappear if you become my woman.”

But the proud her would reply, “I’m sorry. I would sell my art, but not myself.”