MTL - Ninja School Teacher, I Can Become Stronger By Teaching - Chapter 429 Yellow flash?

I reincarnated inside my favorite eroge—as the main villain. But this time, I won't die like a disposable side character.Gifted with an SSS-Rank Taming System by a wickedly beautiful goddess, I’ll turn the heroines of the “main characters” into mine.One by one... they’ll kneel, obey, and crave me instead.---Check out my discord for character illustrations: https://discord.gg/Z9pY9tE9e8(No Yuri/No NTR)

“Doc, it’s like the game I made is becoming a reality.”“Isn’t that nice? People are under so much pressure at work these days, but you can get away from it all, play the game, and live the life of your dreams.”“But I’m a famous ghost story game designer, I’ve conceived one hundred and twenty-six mu*der cases, portrayed dozens of mu*derers with different personalities, and to find material I’ve watched ninety-five thriller movies, more than four hundred horror comics, and collected more than two thousand urban weird tales. Now they all seem to be true!”“So …… do I look familiar to you?”

Accidentally reborn as the son of the distant cousin of the Squib, the mother of Harry Potter’s friend Ron, and lived in this world as the second generation of Squib for eleven years.

He originally planned to be an accountant like his father in the future, but he didn’t expect fate to play a joke on him, and he didn’t know the slightest bit of magic, but he received the exact same envelope as his sister on his eleventh birthday.

Due to the expectations of his parents, he reluctantly accepted the reality, but inadvertently discovered another secret…

- Description from novelbuddy

I was reincarnated into another world, and I’ve brought the Horadric Cube from Diablo II with me.
Being a knight is cool and all, but being a wizard is pretty neat as well.
So, which one will it be?