MTL - There is a Problem with This Online Game Planning - Chapter 646 Write a long 'love letter'

Thrown into his favorite novel as a powerless extra, he never expected to survive, let alone tame the gods.In a world where strength is everything, chaos reigns and beasts roam the land, including fearsome dragons and gods, the stakes have never been higher.With the power to tame beasts that even gods fear, he must rise above a world on the brink of collapseBut how will he fight for his place in a doomed reality!

Luck is limited and when villains and heroes hoard it, extras lose it.An ambitious villain defeated and killed far too soon, and a heroic group that couldn't prevent humanity's extinction, find themselves back in the past.Their battles and stolen opportunities cause consequences unknown to them, impacting the lives of all those around them, especially extras, moreso one named Neville. Unbeknownst to him, his fate is greatly influenced by the 'main characters'.He'd seen it all, gangsters, politicians and their mistresses, arrogant celebrities, even bratty heirs. But nothing prepared him for the night his client was involved in an 'accident'.Right after he was summoned by his boss who fired him and accused him of being involved but since they couldn't prove it only his license was revoked.After getting out of the building, his boss tells him that the client's family demanded to meet thehim, hoping for some answers and closure.But before going there he needed to pick up the client's eldest daughter...After that encounter his world went through changes his family pushed him to the edge and the supernatural became natural and he had to adapt to his strange new abilities!

Living things really are ignorant – the greed to obtain the key to knowledge and the fundamentals of energy overpowers them. Little do they know that knowledge is full of lies and energy is the root of destruction. Us, mages, have mastered travelling through space and time. We are invincible, we can turn worlds into dust and you, mere ants, will be wiped out with no trace.

-Mage Adam

An A.I.(Artificial Intelligence) gets reincarnated into a world where he becomes a mage.

When she woke up, Lake returned to the classroom of the third year. The classmates were in class with swords and sticks, and the teacher became a female Taoist.
The little fat man in the back seat, how to put two big hammers under his chair.
Rick found this to be a global era!

- Description from Uukanshu (translated)