MTL - The Day of the Draw at Hogwarts - ~ Push 1 book!

Upon stepping onto the court, he had only one goal—to get the ball into the basket!

A 30-year-old NEET is reincarnated into the body of an otaku that choked to death on instant noodles. As he comes to grips with his new life, he realizes that this world is subtly different from Earth. The denizens of this world are far better looking, and this new world also possesses futuristic technology as well as mysterious Yin Yang masters!

[+18 Novel]Highschool fantasies? Taboos? Blackmail? Neighbors? Twins?Come and witness it all.Max, a fat fuck tech genius was transmigrated to a parallel world similar to earth but not earth, after having regretted not living his youth to the fullest while spending his time as an adult cupped on the desk all day long.Reincarnated in the body of a dead fifteen year old, also Max. A year later, he successfully activated the Taboo System that came to this world with him. And began receiving all sorts of Taboo Tasks within the school premises in order to fulfill his Taboo Quest: SSS Ranked Taboo Student.A school with hierarchy, filled with rich scions from all over the world, and world class teachers. What could really be going on beneath the surfaces.CONGRATULATIONS![Taboo System Activated][---- 100%][SSS- A lonely loser lifestyle without being a loser. Accomplished.]Ding![Taboo Task][Target: Sophia]Growing from a fat decrepit loser in just a year, he went from being a nobody to a world class student while being the bane of every lady he encounters.

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates