Reincarnated as a Slime- My Isekai Tale Begins (Prologue)

What if Satoru got reincarnated in the wonderful world of a useless goddess instead of Tensura? How will his life change when he encounters a party of rather... interesting individuals? Fortunately, he still has Great Sage and Predator, along with other abilities he gained when he died, in his slime form. Follow along on this slime's adventures in this wonderful world!