Deep within the walls of the Divine Dragon Cave, the girls of Yurogi-sou are running into trouble! The cave's resident, a powerful dragon god, wants them all for wives! And when he sees Obara rush to protect a beat-up Kagorashi, he flies into a jealous rage and prepares to unleash his final attack! And then, in order to free Koragoshi from an evil spirit's death curse, the girls have to -- WHAT?! What's this about panties?