I Am the Summoning Master

Travel through time and space, to another world, and become the king of another world. I, David Yu, am a genius scientist in the 23rd century. I invented a space-time vehicle to travel the universe. I was sucked into a black hole and lost in an alien space. I also gained superpowers and became a universal robot. Any alien creature captured by me can become my subordinate. With my physical connection, I can string together various creatures and form a four-person monster. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.