Petoka

The witches are searching for the 'strongest husband' in order to produce a successor to the powerful witch who guards the seal of the Underworld King. Radi, a witch who cannot use magic, meets Otto, a boy whose sword skills captivated her──?

Earth, an agent of a secret intelligence agency, is so quiet that no one even notices him. Unlike himself, Uranus, a busty dark-skinned masochist masked girl who has become a hall-of-famer agent, suddenly appoints him as her partner and invites him to "save the world together?!"

A story about a busty dark-skinned masochist masked girl and a quiet boy saving the world.

Strap yourself in, it's gonna be a wild (b)ride.