The Chaos Dragon Prince - Chapter 286 - Massacre

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Born at the lowest grade, nobody thought Percy would amount to much.Everything changes when his bloodline manifests in an unexpected way, letting him possess random bodies across the cosmos. Snatching all sorts of advantages - like a second mana core - Percy can finally claim the resources and respect he's been denied.Yet, reaching the top won't be easy. Not every journey yields a valuable treasure, and neither the warring Houses nor the invading gods will wait for him to grow...***What to expect:- Weak to strong male MC- Daily releases- Fast paced with frequent powerups- Fantasy setting with magic and a system- Isekai elements (Percy often possesses random bodies on distant worlds)- Western cultivation elements (Cleansing mana core to extend lifespan)- Morally grey MC (Willing to break a few rules but not a scumbag)

“What I want, the Heavens shall not lack! ”

In 2120, a massive gateway that connects Earth with the Otherworld replaced the Aels boulder in central Australia. The Earth, representative of science, and the Otherworld, representative of magic, subsequently made contact and two wars broke out. Both wars inflicted enormous damage on both sides, eventually leading them to choose peace negotiations, and thereby marking a thirty-year era of peaceful exchanges between Earth and the Otherworld.Even though both sides chose to coexist peacefully, they each coveted the other's benefits. With the impending arrival of the third inter-world war, Earth's Otherworld combat General Staff Headquarters decided to secretly dispatch an advance team to the Otherworld to conduct pre-war reconnaissance.As a hybrid of Earthlings and Otherworld elves, Luoer, after secretly studying and training for over twenty years in Haiya Academy, which specializes in cultivating hybrids of Earthlings and Otherworld inhabitants, will soon lead his squad into an exciting adventure in the unknown Otherworld.Swords and magic? No, this is a world of guns and magic!