The Reborn Me and the Seven Deadly Sins Explore the Truth About the World

[No male protagonist (that is, there is no man in the female protagonist's emotional scene)] ——Separating line—— Her name is Nanami. She is an alien from another world. But when she was eight years old, she unexpectedly met a transfer student So for some reason, she understood something. That was Nanami's rebirth. And he also understood that the final battle in his previous life was a disastrous defeat. And now, she is reborn to protect the future of herself and her relatives. She, Nanami, chose to explore the truth with the [Seven Deadly Sins] of this world...