The story of Sanzo and his three companions in their quest to the west, to stop the resurrection of Gyuumao. On the way they are fighting youkai, getting into trouble and helping the townspeople.

Set in the future Kei and Yuri are Trouble Consultants for The 3WA. Code Named "Lovely Angels", but, they are known throughout the galaxy as The Dirty Pair. They always solve their case, but, not without causing collateral damage and mayhem.

On their way back from the 18th floor, Hestia, Bell, and the others accidentally uncover a hidden, mystical hot spring, and they decide to stop by to refresh themselves until creatures lurking in the dark appear to attack them.

Unaired 13th episode of Boku wa Tomodachi ga Sukunai.