ALL NOVEL 
Cas is a gifted college senior studying in an unnamed university in Massachusetts. He knows over a dozen languages, studies all sorts of subjects, and has an amazing memory, but he doesn't know what to do with his life. One night, he falls into a river and finds himself reincarnated as an elf in a prehistoric fantasy world. Now, Cas must use his experience and wits to overpower the elements and conquer the supernatural mysteries that plague the world!
Etudie Perpetuity novel is a popular light novel covering Action, Adventure, Fantasy, Isekai, Psychological, Supernatural genres. Written by the Author PeacefulCatastrophe . Read Etudie Perpetuity novel online for free.