There's definitely something wrong with this murder mystery game - Chapter 712 - 611: Decided by Strength_2

Seven billion humans living on the Earth time-traveled together after they had woken up one morning. They all heard a synthesized female voice.

My childhood friend went to the academy.

--WSA 2025 ENTRY--Neraxis saved the people and wiped out the monsters, but instead of cheers, he faced silence and a glowing blue text:[Task Failed Successfully!][Rating Generated: SSS-Rank]“The hell does that even mean?” he muttered, finding the situation a bit strange.Before he could process, the so-called heroes—who had hidden while he fought—emerged. He waited for gratitude, only to feel a dagger pierce his back.The only girl he loved stood behind him.She betrayed him.The crowd and heroes? They were staring at him with disdain and contempt.“You...” he groaned as a spear and sword headed for him, ending his life.But instead of dying, he was sent back to the past—specifically, to the first day of the academy, year 2367, 8 years before his death.However, many things had changed. One of the most significant was the sudden appearance of a Tower, a mysterious structure that had appeared across all the continents, granting power to those brave enough to contest its challenges.“Not again... With this chance I will end you all” Neraxis vowed to himself, embarking on his path of revenge, while also trying to give his life new meaning.

I, a HIKKI-NEET, suddenly reincarnated in another world as a prince, and was immediately deemed the weakest ever, with my life already in a pinch after being abandoned as a baby, being stared down by a huge beast!?

However, I could only use one kind of magic. It was close, but I was able to avoid a “dead end” in my first few days of being born using that magic.

Anyways, I just want to live a lazy shut-in life as an adopted noble with my one all-purpose magic, but…?