“I will sacrifice others to keep on living!”

Asunaro’s bodyguards have finally caught up to the fifth heroine, who wouldn’t hesitate to send the others to their deaths. However, Serika devises a master plan that uses the demon Zepafur’s own rules, the Thirteen Promises, to beat the game! Bear witness to the next act of Ryukishi07’s lovey-dovey Harem Royale!