Maoujou Date Daisakusen!
魔王城デート大作戦！
A princess named Kukuru is brought to Brosfell Castle and presented to the Demon Lord Diana, who expresses a wish to marry her. Concerned about the risks of attempting an escape alone, Kukuru suggests they first go on a date before any marriage takes place. Diana makes great efforts to impress her, while Kukuru discreetly searches for an exit. Their date unfolds within the walls of the demon castle. The story includes two additional chapters.