虐げられた救世主の俺は異世界を見捨てて元の世界で気ままに生きることにした (Associated Names)

Kazama Shinji was summoned to another world, which he saves due to a plea from a goddess. However, the world as a whole only looked to use him and oppressed him. Having realized how ridiculous it is to continue working hard for that world, Shinji fulfills the bare minimum of his duty, then abandons the…