Speed ​​​​Men: I, Xiaolong, the Strongest Assembler

"Cosmic jellyfish? I'll kill you directly!" "I want to assemble the super invincible deluxe version of the Fire Dragon Knight!" When high school student Xiaolong woke up, he found that he had traveled to the world of Speed ​​Men and obtained the most powerful assembly system. He is confident that he is no longer limited to the Fire Dragon Knight in cartoons. Determined to assemble the strongest mecha "So where does the first step begin?" "By the way, the assembly contest!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.