Fantasy

He was supposed to transmigrate to a magic world, but due to an accident, he ended up trapped in a massive library.

The system assigned him a task: for every book he read, he would be rewarded with mana stones, until he finished reading all the books.
A trillion years later, Daniel finally finished the last book!
[Ding, detecting that the host has finished the final book. Calculating system rewards.]
[Ding, reward calculation complete. Dispatching rewards. The total number of mana stones the host has accumulated: 99999999...9999.]
"Damn, am I that rich now?"
[Ding, detecting that the host has completed the task. Loading world...]
...
Goddess of Fate: "Daniel, my divine realm needs expansion. Could you sponsor me with some mana stones?"
God of Storm: "Daniel, the divine punishment is about to descend. Could you lend me some power to help me get through it?"