It was a random beautiful day in Manhattan, New York. Birds were chirping, animals were hunting or resting, and there wasn't a cloud in the sky. Meanwhile at at a certain Greek demigod camp called Camp Half-Blood, Greek and Roman demigods were celebrating the defeat of Gaea, goddess of the Earth. The demigods were eating a feast at the pavilion while arguing about random topics. While all of this was going on, a certain raven haired, sea green eyed Son of Poseidon was in his cabin making out with an auburn haired Goddess of the Moon, Artemis. (Yes this is a Pertemis AU because I can. He'll also have Goku Black's powers cuz I said so.)

Percy pulled away from Artemis' lips and sat up. "C'mon Artemis, let's go out before the campers suspect something. I'm not in the mood to get teased by anyone. I don't care that everyone knows about us being a couple."

Artemis groaned and got up." Percyyyyy... Do we have to? I'm tired."

" Just eat some ambrosia or something then. Besides you're probably needed on Olympus. You don't want Zeus scolding you again." Percy said.

Artemis scowled. "Yeah true. I don't need an angry Zeus right now. I swear my father is so annoying sometimes. Later Percy. Love you. If you need me come to Olympus." Percy nodded and Artemis teleported out of the the cabin.

Meanwhile on Olympus...

When Artemis teleported onto her throne, she heard the gods arguing. Zeus and Hades were arguing over the usual "Mother Rhea loved me best" argument. Poseidon and Athena were arguing over Athens. Aphrodite and Ares were making out. Hephaestus was building random things. Apollo was playing music on his iPod. And Hestia was tending the hearth.

Then there was a teleportation sound and a man stood in the middle of the Throne Room. All the gods stopped arguing and looked at the being. The being was 6 feet with weird black spiky hair, white skin, a long- sleeve gray and black martial arts gi with a red belt and white boots. He also had a green and gold earring on his left ear and a silver X-shaped ring on his right hand. Zeus stood up and aimed his Master Bolt at the intruder.

"WHO ARE YOU!?" Zeus boomed.

"My named is Goku Black, a villain from an alternate universe. And before you try and fail to kill me I'm only here to have you, as well as the Roman gods and goddesses and the demigods and some of the Titans read about an alternate version of Percy Jackson. This alternate version of Percy has a harem of Reyna, Artemis, and Diana, the Roman goddess of the Moon. Mostly Pertemis though. Probably."

"What is Pertemis?" Artemis asked.

" Why it's the ship named for you and Percy Artemis! "Aphrodite squealed in glee.

" Oh..." Artemis replied in embarrassment. She then laughed nervously.

" What are you exactly? You don't feel normal? " Athena asked in curiosity.

" I'm a Saiyan. A race of proud battle warriors. I don't recommend fighting me cuz I get stronger when I'm near death. If you want to then then that's your problem. Any other questions?" Black asked.

" No." The gods said in unison.

" Good I'll bring the demigods and Titans and Roman gods and goddesses now." Black snapped his fingers and several people appeared in the room. Black then explained to the newcomers and they nodded in understanding.

"Now introduce yourselves. Names only. Titles don't matter." Black said.

"Percy Jackson."

"Annabeth Chase."

"Jason Grace."

"Piper McLean."

"Frank Zhang."

"Leo Valdez."

"Hazel Levesque."

"Nico di Angelo."

" Will Solace."

" Travis and Connor Stoll."

" Katie Gardner."

" Dakota."

" Reyna Avila Ramirez-Arellano."

" Rhea."

" Leto."

" Bellona."

" Alright that's everyone important. So let's get started. Who wants to go first?" Black asked. Percy raised his hand and the book appeared on his lap. He cleared his throat and started reading.

" Chapter 1..." Percy began.