In Episode 2 of Inma Daitoshi: Beast City (also known as Sex Demon Metropolis), the story continues to follow Mina, a 19-year-old vampire and Beast Hunter, as she battles against demonic Beasts in Tokyo. These Beasts, which take on human forms, seduce and enslave women, spreading chaos and destruction. Mina, armed with her Beast-Hunter Sword and supported by her friends, is determined to eradicate these creatures and protect humanity.
The episode introduces a new antagonist: a woman who appears to be the daughter of a wealthy industrialist. However, beneath her human facade lies a powerful Beast with sinister intentions. This Beast begins targeting men at Mina's college, seducing and destroying them one by one. When she sets her sights on one of Mina's close friends, Mina realizes the gravity of the threat and vows to stop her at all costs.