In a region far from the frontlines of the battle between humanity and the Demon King, an incident occurred where an entire town was petrified. The Adventurers' Guild decided to dispatch two highly skilled individuals to investigate the cause: a saint elder sister and a dual-sword wielding younger sister. The younger sister, Rui, possesses a skill where her sensitivity increases the more damage she receives. One day, after sustaining a fatal wound, her overly sharpened sensitivity goes berserk, and despite being on the verge of death, she is assaulted by unimaginable pleasure...

Geor Richter, a former member of the Demon Lord Subjugation Party, starts a sort of “jack-of-all-trades” business in the massive magic fortress-city known as Heaven’s Door. When he casually stops by the tavern Cabaret Miranda, he finds— for some reason—his former party member, the saint Tiarika, working there in a bunny-girl outfit. By an unexpected twist of fate, the two team up once again to solve various incidents occurring throughout the city! A thrilling battle fantasy filled with laughter, tears, and explosive fun begins now!

Having lost faith in humans, the gods have transformed into evil deities known as "Marroads," threatening everyday life as mysterious monsters. To save his sister from the sleeping sickness caused by the mysterious Marroads, Goto Asahi teams up with the most vicious Marroad of Hunger, but... (Source: Kadokawa, translated)