Konosuba: A D*ck Wizard's Blessing On This Wonderful World (HIATUS)

A man wakes up one day as... Merlin? Well... the genderbent version from another timeline where everyone is their non-genderbent versions and Merlin is the genderbent one and in the main timeline everyone else is genderbent- oh enough with the genderbending talk and Fate lore, it's headache inducing!

Essentially, a man wakes up one day as Proto-Merlin. However... he's still in the modern world? Oh well, that aside he decides to live his life to the fullest with this body of his by...

Abusing it for profit!

...

Not in a shady way!

...

But those career plans are suddenly cut short by a magical circle appearing randomly and whisking him now her off to somewhere!

...

This can only end well and not at all in chaos, right?