Isekai Shoukan Wa Nidome Desu

there was once a man who was summoned to another world, and saved it. of course, he became too popular there, and turned into an isekai-normie. however, that man fell into a “trap“, and was forcibly returned to his original world. moreover, he had to start over as a baby! this is the story of the way-too-fantastic ex-hero who lived as a gloomy high-schooler, as he gets summoned once again to that same other world in a very unexpected development!