Dashing Student - Chapter 1 - , Passion on the Bus

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

The main character has been reincarnated, and he possesses a system and a powerful treasure. Using these, he plans to create his own universe. Keep reading to find out more.

Beatty, a weak squirrel shapeshifter who was born into a lion family. Because of that, I lived my life being ab*sed at my aunt’s house in the Capital. When I told my only friend and fiancé, the Second Prince, that I would leave to achieve my dream, ‘Ritter, you bastard…!’ I died on his fangs. I opened my eyes again to my childhood, the time before I got myself involved with the Second Prince. At times like this, what do you need? Speed. I immediately withdrew my body only and ran away to the territory of my biological father, the Lion Duke. Though I won’t be welcomed, if I possess this one great secret that will only be discovered in the future, I won’t get kicked ou— “Welcome, Young Miss!” “OMG! When did you grow up like this…?” “Young Miss is walking with those two cute feet!” … Huh? Why am I welcomed like this? No way, is that my statue?

There is a turtle here,It's a bandit! A thief! A shameless scoundrel!Don't provoke him!~~~~~~~~~~~~~It doesn't belong to the orthodox realm of mythical creatures; it falls under the genre of Xuanhuan and Xianxia. I hope you all are aware of this.