One Piece: My Crew is from Other World - Chapter 9: Crushing Battle

Reborn in the world of Naruto as the Nine Tails, he finds himself sealed within Uzumaki Kushina. No longer just a mindless beast, he possesses his own will, intelligence, and the power to change the fate of the tailed beasts.Madara : I never thought that my Rinnegan would be crushed by Nine Tails.Hashirama: Times have changed. I once controlled the Nine Tails, and now the Nine Tails controls me.Uchiha Mikoto: Kushina, I didn’t expect you to have something this powerful sealed inside you.Uzumaki Kushina: Each of the Nine Tails' tails gives me a different feeling.At this moment, the Nine Tails stood tall, representing all the tailed beasts.“Tailed beasts will never be slaves!”

Master martial artists were beings that no one can obstruct. A martial arts expert has been reborn into the body of a genius whose cultivation has been abolished and has been abandoned by a woman. Therefore, he starts cultivating the art of Xing Yi Quan, producing a solar system within his dantian. His innate talent tramples over all the geniuses, and even the geniuses among geniuses.

His powerful spirit and ruthless and ambitious nature, no matter who he is reborn into, will never change! Slaughter is instinctive, being cold-blooded is his personality, exterminating an entire family is only a means towards a goal, cruelty means infamy, and chasing after women… is just an interest.

- Description from Novelupdates

Kaito was summoned as a hero... and discarded as trash.No magic. No blessings. Just intelligence and a mysterious deck of cards that summon legendary villainesses—women so dangerous the gods themselves sealed them away.Now, with three (soon four) villain queens at his side, Kaito will build a kingdom from the ashes of his humiliation. Not through strength, but through strategy. Not through destiny, but through choice.But every summoned queen has her own agenda. Every ally hides secrets. And the kingdom that abandoned him? They're coming with armies.[WARNING: R-18 | Explicit content, graphic violence, and adult scenes]→ Anti-Hero MC (Strategic, Morally Gray, No Beta Behavior)→ Four Villain Queens (Competitive Harem, Slow Burn)→ Kingdom Building (Economic, Military, Political)→ Tactical Warfare (Army Battles, No Plot Armor)→ Ancient Technology + Magic Coexistence→ Character Development (MC & Queens Evolve)→ No NTR | No Dumb Decisions | No Forced Drama

The god king of Xiaoting in the upper realm fights down, and the spirit of the mixed dragon spirit is reincarnated on the earth, runs rampant in the city, and then fights in the sky.

Those who obey me prosper, those who oppose me perish!

- Description from novelbuddy