Isekai Shoukan wa Nidome Desu異世界召喚は二度目です（コミック）; Summoned to Another World... Again?!; 이세계 소환은 두 번째 입니다; Меня призвали в другой мир во второй раз!; Призванный в другой мир во второй раз; Dị Giới Triệu Hồi Lần Thứ Hai

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!