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

This is the story of a crazy lich who possesses an internal game system and brings catastrophe to the entire world.

Due to investigating an arms case, he was forced to become a gigolo, from then on, the cute little loli, the sweet and pure young married woman, the cold and aloof CEO beauty, and all kinds of other beauties surrounded him.

“Jiang Fan, I regret it!”When Xu Yining realized that the useless fiancé she would rather die than marry had taken her sister as his wife and transformed her into a powerful empress, she was filled with regret.If she could do it all over again, she definitely wouldn't have petulantly let her sister marry in her stead!

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.