Reluctant Hero: Damn Protagonist, Why Are You So Useless?

After getting hit by a bus, Edward gets sent to another world, forced to complete a mission to save it, which he successfully accomplishes. But just as he's about to enjoy his well-deserved hero life, a cosmic screw-up by the goddess sends him back to Earth. On the very same day, while saving his sister, Edward gets hit by a bus again, ending up back in front of the goddess. Now, in accepting a new reincarnation, he brings the goddess along to a new world, aiming for a peaceful life. However, he discovers that his fate is tied to saving a useless webnovel protagonist, complicating his aspirations for peace.

"Well, killing all the villains is the easiest way to do that."