Malice in Chains by M.R. Tapia

In the world of the average human, we spend our days complaining of being trapped. Awaiting the moment we can break the chains. Mr. Conan—an elementary school teacher—is no different. He lives a bland life: coffee, school, sleep. Rinse, lather, repeat. But when Mr. Conan awakens trapped in chains and shackles, a life of complaining about alarm clocks and needy elementary school students seems like a life worth living for...

If he can manage to escape, that is.