The reincarnation destination was a disappointing prince ~I can't do abs even once now, but I'm thin and save another world~ (Associated Names)

A young man who gets into a plane crash while returning from a business trip overseas is reincarnated into another world after being asked by the goddess to defeat the evil god. However, he was reincarnated as a s*upid prince who is known among the aristocrats as the “Pig Prince” because of his fat and…