Homeless Tensei: Isekai de Jiyuu Sugiru Jikyuu Jisoku Seikatsu

A homeless guy gets isekai'd in yet another manga adaptaion of yet another light novel adaptation of a self-published web novel. Shinichi Tanaka used to be a representative director of a large company, but now he is homeless without money or family. On a rainy day he is struck by lightning and awake