IN THE BIG LEAGUEAfter successfully taking back Okushiri Island, Haruki and Karen return home and dive straight back into the dungeon in Haruki's garage. In the heat of battle, Karen's magic evolves into something even more powerful. Not to be outshined, Haruki learns to control his qi. With their newfound powers, the two tackle a new challenge—fulfilling contractual obligations to their sponsors. This means returning to the surface to film adventuring content and encountering "surprise guests!"