A 16 year old genius boy from the 21st century gets reincarnated into the incredibly dangerous and exciting universe of Tensura 70 years before canon. Follow his adventures and exiting life of how he came to be known as the "Hero of the Sun". [ THIS IS A REWRITE OF MY OTHER BOOK WHICH GOES BY THE NAME TENSURA: KARNA, IF ANYONE WANT TO CHECK IT OUT, IT'S STILL THERE..] The original story does not belong to me, it belongs to Fuse the author of the original light novel..