Prologue:Malfunction!

Shin Izayoi,on outside being seen as an ordinary high school student.But inside,he actually a genius who likes made tools that surpass world technologies in secret,because of his imagination.From railgun,nanomachines,laser sword,flamethrower and laser cannon.

On one fateful day,when he was experimenting his new creation,some malfunction happened as he sucked into a strange wormhole and arrived at a strange world where sword and magic exists!

Cover is not mine.

Cover sauce:mechanical arms