The Occult Research Club goes on a beach outing. Issei messes up applying sun lotion to Rias, and is punished by being beaten by Koneko with a baseball bat.

Issei is being given lessons in magic by Akeno. After getting beaten, he spills a parfait on her. She requests him to lick it off her chest. At this point, Issei wakes up in Asia's lap and gets shocked by Rassei.

Koneko accidentally has her personality reversed magically, making her incredibly sexually active and reversing her sexual preference.

A few flashbacks of how Issei first found out and eventually perfected his special move, Dress Break.

As part of the penalty from a bet, Sona and Tsubaki make udon for the Occult Research Club; however an accident makes the udon come to life in a very peculiar way.

Asia wants to prove she is just as bad as any demon by using ideas found in Issei's magazines, going as far as dressing up like a harlot and seducing him, but Issei tells her to just be herself.