One Piece: I am Imu - Chapter 300: Magic Academy, Secrets, and a Journey to Tarbes

The king of assassins was reborn, mastering both alchemy and poison. Sitting inside the space, there was a ghost that loved crying.

Alternative Title: Crossover: Mangēkyo Sharingan In A Cursed World===Support and read advance chapters at: Patreon.com/Zexxxxy====When he woke up, Ryuu found himself in the body of a high school student.His school was an unusual merger—Soubu High, Toyosaki Academy, Shuchiin Academy, and Totsuki Culinary Academy had somehow combined into one.At first, he thought this was just a typical anime slice-of-life setting. That was until he met Miko Yotsuya from the class next door.From that moment, everything started going wrong.Monsters. Ghosts. Curses.The world he thought was normal was anything but. Strange and terrifying entities that had no place in daily life kept appearing.Fortunately, Ryuu possessed the Sharingan, and he soon discovered that negative energy could be absorbed as fuel for his eyes’ evolution.The more horrors he faced, the stronger he became. Step by step, he walked the path of exorcising spirits while growing into an unstoppable force.But as his strength grew, so did the number of extraordinary and beautiful girls drawn to his side…---Miko Yotsuya: “Please help me, Ryuu-san.”Mai Sakurajima: “You’re the only one who can see me.”Utaha Kasumigaoka: “Surrounded by beautiful girls… is this how you plan to revive your clan?”===================================Worlds Included: Jujutsu Kaisen, Rascal Does Not Dream of Bunny Girl Senpai, Saekano: How To Raise A Boring Girlfriend, Mieruko-chan, Oregairu & more.====All rights belong to the original authors, I am just a mere translator that's translating this because i loves the idea, the story.

Once through the pirates, Lu En became the son of Monkey d Dragon, a grandfather named Monkey d Karp, and an unreliable and neurotic younger brother named Luffy.

Fortunately, the ghost back system is activated!

The completion of the ghost back is 10%, and the training effect is increased by 100 times!

The completion of the ghost back is 20%, and the training effect is increased by 1000 times!

…

One day, Lu En, a ghost-backed master, appeared in front of Luffy who was shouting to go to sea, and made Luffy cry on the spot.

Luffy: “The pirates in the sea are all monsters like my brother? I don’t want to go out to sea!”

Garp: “For a long time, the two boys, Long and Luffy, with small arms and calves, I really doubt that they are not my sons and grandsons. Like Lu En, they are the grandsons of the old man!”

Warring States: “The strongest creature in the sea, land and air is Kaido? No, it’s Lu En!”

- Description from novelbuddy

A boy wakes up with omnitrix as a X-GENE