Reincarnated Yet Got Isekai

Kent found himself reborn as an infant in a different world, where technology existed but way too lay back, a world without magic nor powers. After 18 years of living as a normal boy, memories of the past life begun to return, but this didn’t affect much of he’s life. He aimed to live a peaceful life together with he’s family and friends, forgetting the past, treating it as a dream. Then two years passed a sudden catastrophe occurred, mana begun to exist in the atmosphere but at the same time the world crumble. The Cosmic Astral Luminescent Tree of Parallel Expansion, transfer every single human in Earth to a different world. A new world resembling that of Kent’s previous life, a world of swords and magic. Kent had to protect he’s sister in this unknown world. He will once again face different hardships and challenges, returning to the old forgotten self of the past life to protect the people he cared for.