Mythical Beasts: The Useless Lady Is a Genius! - Chapter 8

Aric Valerian, the fourth prince of the Valerian Empire, bears many titles: The Forgotten Prince, The Whore’s Child, The King’s Bastard—names that have been spoken more than his own. Born with a crippling illness and devoid of mana or ki, Aric was a disgrace, scorned by his family and the court. But when the gods cured him and gifted him the strength to fight, Aric dared to hope. He sought glory in battle, only to be betrayed by his brother and sent to die in a hopeless war. In his final moments, as death closed in, a mysterious text appeared before him… [Would you like to change your fate?] After being given another chance, Aric embarks on a ruthless journey to claim absolute sovereignty. [Ki Circulation Mastered: Strength +10] [System Upgrade: Advanced tactical planning unlocked] [Hidden Fortress Established: Stronghold security +15%] The forgotten prince claws his way through the treacherous landscape of imperial politics, he is forced to make impossible choices, each decision pushing him further down a path soaked in blood. He learns that true power demands sacrifice, and the price of vengeance may be his soul.

A continuation from where High School DxD Volume 25 left off.

In modern society, a 24-year-old ordinary young man Reid managed to avoid a dump truck and declined the invitation to the reincarnation space, only to be sent to the Marvel Universe by a computer malfunction. There, he obtained the DC role-playing system. As a result, the Marvel Universe got a taste of the darkness from the DC Universe.In order to protect the Wayne Corporation, Alfred pulled the trigger on the executives supporting the IPO.To eliminate the mutant threat, he allowed Jean Grey to be infected with the Joker infection.Captain Marvel, who served as the cosmic police, could never have imagined that the Martian Manhunter, who followed her in fighting against the Kree empire, had been secretly controlling her mind all along.“I am indeed playing the role of a hero,” Reid did not deny this. “However, it's a hero that belongs to me.”When the threat was finally neutralized and the Justice League ascended the podium, people realized they had already been shrouded in injustice.

I was a genius in the Earthen Plane.