After falling through a mysterious manhole, Takehiko Ishida is transported to the Edo period where he encounters the rebellious Princess Tsubaki. To escape her father's arranged marriages, the princess declares Takehiko her official husband. The episode also features a surreal, erotic encounter between a self-proclaimed "Bicycle Fairy" and a baseball team manager.
Takehiko returns to the modern era after a final, passionate encounter with Princess Tsubaki, only to find that her existence may have been an illusion. Meanwhile, a socially awkward science teacher named Ootsuka Jinpachi uses a homemade aphrodisiac to trap and subject his colleague, Matsuo Aiko, to a series of depraved sexual experiments in the pursuit of scientific data.