Knight's & Magic: Complete Series

Ace programmer by day, mecha otaku by night-Tsubasa Kurata had a pretty good life until he died in a car crash. Now, he's living the life of his dreams. Reincarnated as a young boy, he finds himself in an alternate world where magic is real and humans pilot giant robots called Silhouette Knights. It's this mecha fanboy's chance to shine, and he knows it. While the path to becoming a knight is full of challenges, nothing will stop this prodigy from his ultimate dream of building and piloting his very own mecha.