My Guest from Another World

I inherited an old house and was an orphan. I never thought that I had relatives in this world, but it was only after his death that someone found me. Of course, the original owner is not dead, he just wandered into another world. Who is calling me part 2 I came to this dilapidated house and found a strange summoning array. After some blind research, I successfully opened the summoning array. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.