I'm A God In The Seven Deadly Sins

When Kami Maou, an avid lover of the Seven Deadly Sins, 'dies', his dream comes true when he's reincarnated into the world he loves. Albeit a few millennia behind the start of canon, with the help of his mighty system, and his starting race, watch as Kami Maou dominates, destroys, enjoys, and deploys his plans for the world of the Seven Deadly Sins.

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Wish fulfillment bullshit in the anime world of Seven Deadly Sins.
Many time-skips. Long time-skips.
Immortal harem with characters like Merlin and Guila(?).
Explicit sexual scenes, violence, gore, and profanity.
The protagonist is straight, comedic, slightly sadistic, and deceitful.
Far, far into the story he'll wind up going back to modern Earth.
Also, this 'synopsis' of mine doesn't have everything in it, and it migbt not be completely accurate, so if you like what you see so far, give it a read.
Don't really have much more to say than that, other than rate, comment, and follow please... Oh, and I'm doing this out of boredom, so don't really expect much other than good fight scenes, comedy, and uh... sex...