The main character, the female knight Rihanna, goes to investigate the ruins. She is accidentally transferred to a place with her helper, Sao Yak, during her investigation. It was a dungeon where H was forcibly required to escape. Sao Yak decides to

The main character, the female knight Rihanna, goes to investigate the ruins. She is accidentally transferred to a place with her helper, Sao Yak, during her investigation. It was a dungeon where H was forcibly required to escape. Sao Yak decides to