Takeshi and Mizuki have been best friends since high school. They both came to Tokyo to attend the same university. Takeshi doesn't have much luck with women, but Mizuki is very popular with women, and sometimes even brings them home. One day, Takeshi gets hooked on an AV actress named "Mizuki Amane" and recommends her to Mizuki. When he wakes up in the morning, Mizuki has become the AV actress Mizuki Amane.
