One Piece: Unreal Adventure - Chapter 5: Teach Me Something Gramps!

In Bleach, with mediocre talent, the protagonist has been flatlining for thirty years. But with the sudden completion of the Zanpakuto conception, he has become a “sword person.”Unlimited Blade Works, essentially “unrestricted swords.”Since Soul Society does not allow two identical Zanpakutos to exist, then I just won't use my Zanpakuto, and that should be fine, right?Who is the strongest in the Zanjutsu category: Zangetsu or Zangetsu: Black?Who is the number one in Assassination Techniques: Ichimonji or Suzumebachi?Which is stronger: Kinshara or Senbonzakura?Can the Yami no Tachi Shura and Yami no Tachi Rasetsu compete for the title of the strongest Zanpakuto?Unlimited Blade Works, essentially “swords,” all the “swords” in the world are mine. Yamamoto, even you, the head of the 1st Division, “Black,” cannot take away my “swords.”

There’s SIS in great Britain, CIA in the US. In Huaxia, there’s Dragon Division, known as the mysterious power of the East.

When a soldier that originally failed to be selected to join, appeared on the Dragon Division’s list again, no one noticed, that this inconspicuous and humble looking guy was actually the Dragon King of the division, the one that’s most difficult to deal with.

He was a man, whose appearance gave every one existential crisis, including a fly that was consecutively caught by him with a pair of chopsticks.

Of course, this story is hilarious as well.
[Shen Yao laughed. “You think I would help you? For what reason?”

Xu Cheng sighed. “Shen Yao, to be honest, you are really pretty.”

“Humph.” Shen Yao snorted coldly, “Can you elaborate on that for me?”

“I don’t know how to get into details, but I can only say that when I accidentally tore your skirt today, I got a boner.” ]

- Description from Novelupdates

This story revolves around a boy who was sent to a dark, mysterious parallel world in the body of his beautiful senior sister known as Lily. The lone girl ran into the night parade of a hundred ghosts the very day she arrived; seeking survival amongst the warrior’s dispute in a chaotic world, and forging her own demon sword! This is an unimaginable other world adventure!

Jiang Chen, son of the Heavenly Emperor, unexpectedly reincarnated into the body of a despised young noble, thus embarking on the path of the underdog trouncing all commoners. No one has the right to call himself a genius in front of Jiang Chen, as no one has a better understanding of the heavens than the son of the Heavenly Emperor. “Genius? He who adheres to me shall ascend. Those who oppose me can find solace in hell!’