High schoolers Endo and Kobayashi are on a mission to save Lieselotte, the otome game's adorable tsundere villainess, from the evil Witch of Yore. By relaying their "divine prophecies" to Lieselotte's fiancé, Crown Prince Siegwald, they've cleared up a host of misunderstandings and helped her finally befriend the game's heroine, Fiene! Meanwhile, Fiene's relationship with Bal is starting to show signs of change, and she finds herself spending summer break at the Riefenstahl manor. How much closer will Lieselotte and Sieg's hearts grow?