Clearing an Isekai with the Zero-Believers Goddess – The Weakest Mage among the Classmates - Chapter 1: Takatsuki Makoto is way too weak

[You have entered the dungeon at Gwachun Station’s 1st Exit.] When former high school student Kang Woojin finds himself returned back to Earth after being forcibly summoned to a foreign planet for 20 years, he soon finds that Earth is not the same, normal place as he once remembered it to be.

Takashi Nakamura is an ordinary student, constantly targeted by bullying from his classmates, living a life marked by loneliness and disdain. When he and his peers are mysteriously summoned to a new world, their hopes for change quickly fade. Deceived by everyone, he is accused of crimes he didn’t commit and executed by his classmates who planned everything from the start.Reborn as Pandora Aegis Oblivion, the new Demon King, Takashi no longer cares about the consequences of his actions. With immense powers at his disposal, he embarks on a journey of chaos and destruction, determined to plunge not just the kingdom, but the entire world into absolute chaos.In a universe filled with shadows and magic, Pandora transforms into an unstoppable force, a symbol of despair and power. As she progresses, she confronts relentless enemies and the reality of her new role. In her quest for total destruction, she will discover that every act of revenge comes at a cost, and that even amidst chaos, echoes of the past can resurface, challenging her resolve.

This is a story about a young man who sought to fight against his destiny. With the help from billions of Dragon Energies trapped on the Rising Dragon Pillar in his body, he emerged from the dark and quenched himself with the blood of ancient dragons. He fought the heaven with the Buddhist Art for the people he loved and built the Eternity Kingdom with his own hands. This is a story about the rise of the Martial Emperor who will rule both earth and heaven.

- Description from Novelupdates

The Apocalypse is in full swing. Defiled - powerful creatures corrupted by the Great Collision - prowled the lands in search of prey. Unfortunately for them, the human race had long since retreated behind the secure walls of the Sanctuary of Everlast. During one of his regular excursions outside the Sanctuary, Alden is separated from Celeste. - his childhood friend and crush. In that moment, he came to regret never summoning the courage to confess. Somehow managing to survive thanks to some trickery, Alden awakens as a mage. Instead of receiving a normal power, he gains the ability to decay. What’s more, during his ascension, he received a vision from his future self advising him not to trust the Asterons - celestial beings who had saved his race from inescapable doom. Normally... such a revelation wouldn’t faze Alden. However, there was only one major problem with the declaration, though. Celeste was bound with an Asteron. And not just any normal Asteron... She had made a pact with one of the Divine Sovereigns.