Reincarnated as an Elf, but Without Magic

Now he can no longer remember what kind of world he was in in his previous life, and what kind of people he was doing, but based on some memory fragments, Nanami can conclude that he was reincarnated into this world of swords, magic and monsters! … Although they were born as the most magical elven race, they couldn't use magic at all in the beginning. What the hell were the fighting elves doing? Moreover, Nanami always feels that the memory of his past life has been leading him to a place...