Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 180: : Martial Arts, Enlightenment, Understanding

Satou Shiki a Japan present-day university student suddenly one day he got attacked by a slasher when he open his eyes he was already transferred to another world’s labyrinth city. In that another world he who was awakened to do a lot of “things”.

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

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

That year, the basketball god retired forever.

That year, the four giants of the City of Angels, which shocked the world, came to the fore.

That year, the little emperor entered the hometown team with unparalleled talent.

…

That year, the son of planes, the great magician, the corrector of order… plunged into this era when the opponent was like a wolf like a tiger.

Come, come, stand in line one by one… How am I going to carry out this delightful torture (× crossed out)

My dream is just to heal your wounded hearts, yes, this is a homophonic stalk. – Liu Xiu.

The introduction is weak, I will see it later.

Q group: 747103528, you can add~

- Description from novelbuddy