The Mc and his Friends/brothers will have Stand´s like in Jojo´s just way more OP but obliviously they will have to train hard to get stronger they won´t need things like stand arrow or a way to achieve over heaven just train really hard the stand´s will be:
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Name: Jonathan Jostar (Koala)
Stand: Verso(reverse in rumänish)
Stand look: Humanoid Mainly black with some white spiral´s going in reverse on his back hand and chest
Stand ability: can return anything back to a point even before they existed (limited to things that can be touched by his stand)
Devil Fruits: evolve evolve Fruit
logia Food king food king Fruit
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Name: Paul Jostar (silz)
Stand: subtenial-Vortex
Stand look: humanoid who is colored in the mix of blue and gray
Stand ability: can manipulate Matter even Air (limited to things that can be touched by his stand)
Devil Fruits: evolve evolve Fruit
Weapon: Sword of absorption
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Name: Lukas Jostar (HelpWurst)
Stand: Over-Cat
Stand look: Purpel blue Humanoid with a cat Head
Stand ability: can summon/create and manipulate cats ( how many he can summon is only limited by his will and body´s strength)
Devil Fruits: evolve evolve Fruit
cat king cat king Fruit
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they can travel universes after doing Quests from god