I'm at Level 30, But I Can Slay Level-9999 Beasts in One Hit! - Chapter 4: The Worst Hidden Profession?

A polite and lethargic boy was reincarnated in another world as a vampire bishoujo.

The protagonist is an accidental time traveler - he didn't wait, didn't guess, only dreamed, but ended up in history, which he didn't pay much attention to. He was just lucky with his lineage.Ryo is a new member of the Nara clan, from the Uzumaki lineage on his father's side, and it so happened that he was born not at the beginning of the known plot, but more than three decades and two world wars later. Now he has to figure out how to get out of this situation however he can.

The whole world is subjected to a highly dangerous standardised exam called the Global University Entrance Examination. Answering questions by putting their lives at stake, they would live if they passed the test. Every month the exam will undergo reformation while, occasionally, it is random.

- Description from Novelupdates

“If he’s being badass, I’m gonna plant my own crops. If he messes with me, he will not live past next year.”