DC: I'm The Ultimate Lifeform

What does it mean to be free? Are we ever truly free if everything that will happen has been seen at the end of the day? What does it mean, when at the end of the day, we are all nothing more than characters in a story, brought to life by an all-powerful being?

A/N. Although there is no harem tag, mc would be a man slut. MC would have kids, but would get lost getting them milk, and would only find his way home 18 years later.