So They Threw Me In The Basement Of A Horror Show... An uncle who traces the memories of when he was just reincarnated in another world. It was attacked by adventurers and sold as a dying orc to a show house for a cheaper price than a scrubbing brush. In order to keep her sanity, the uncle who was trapped in her dungeon had a conversation with the spirit, and for the first time, his magical powers awakened. She manages to escape from her prison. Through those memories, Takafumi and Fujimiya search for the reason why her uncle had outstanding magical strength.