I Have Unparalleled Comprehension - Chapter 84 - : The Three Sides Are in a Difficult Choice

After a tragic accident, an ordinary young man awakens in a new world teeming with floating islands, supernatural abilities, and mysterious dangers. Reincarnated in a body he doesn’t recognize and granted a cryptic “system” that refuses to explain itself, he’s thrust into Vanguard Academy—a high school where only the most powerful and determined survive.With no clue why he’s been chosen or what the system wants from him, he must navigate a cutthroat world of rivalries, alliances, and mind-bending challenges. Armed with courage, wit, and untapped potential, he embarks on a journey to uncover the truth behind his reincarnation and the forces pulling the strings in this enigmatic universe.Can he rise above the chaos, or will he fall like countless others before him?Perfect for fans of Solo Leveling and The Beginning After The End, this story blends reincarnation, epic battles, and intricate worldbuilding into a gripping tale of survival and self-discovery.

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

Shi Yuhan is the most heartless and evil human Song Qinghuan has ever met. He's arrogant, sharp-tongued, ruthless, and heartless towards her. Yet, he asks (read threaten) her to marry him and she has no choice but to agree. She needs to get into the Era Group to investigate her elder brother's whereabouts.Will her sacrifice be worth it? Will she be able to find the truth of her elder brother's disappearance? Will Shi Yuhan continue tormenting her? What's his motive?

SSR-ranked killer Mu Hui died in an explosion, only waking up to find herself transmigrated into the body of a vicious female supporting character in a book.