I Shaved. Then I Brought a High School Girl Home. - Volume 3, Chapter 13: Pursuit

For Cain, the promised land of opportunity in the Pokémon World was not the paradise he imagined. Instead, he fell into the hands of the sinister Team Rocket, a prisoner on an island where darkness devours hope.However, even in the most desperate moments, fate did not abandon him entirely. A strange twist brings him back to the beginning of it all, to the place where his dreams were buried under the shadows.Now, with the knowledge and scars of his previous life, Cain has the chance to correct the course of his destiny.Free from the chains of the past, he must forge his own path in a world full of mysteries and dangers. With new allies and old enemies, the battle for his freedom will not be easy, but Cain has decided that this time he will not fail. Neither against the Pokémon nor the humans who stand in his way.

When we met for the first time in our first year of high school, he saw my contempt, but silently continued to clean;

A 29 year old civil employment exam student wakes up in a blank white room and meets a baby angel. This baby angel informs him that he died in his sleep due to heart disease like his father and grandfather. Remembering his mom and their last conversation he says that he will take on a series of life and death tests that the baby angel offers him. From this point on he must put his life on the line and fight in the stage called ‘Arena’. And Every time he clears a test he will gain abilities and weapons to increase his strength. All to clear the tests and get his life back. This is his story of his fights in the ‘Arena’.

After mistakenly contributing all of his attribute points to the drop rate, Xiao Shi found that every time he killed, he would get an item.

Slapping a mosquito to death, drop a pill.

Killing an evil spirit, drop a secret book.

Slashing a martial artist to death, drop the opponent’s cultivation tips.

….

When killing, Xiao Shi was shocked… “How did I become invincible?”