Although Akane really wanted to become friends with the members of their guild, she could sense that Eita’s younger sister, Runa, was putting some distance between them. She then receives an invitation from Runa to meet at a café, which makes Akane ecstatic. Little did she know this invitation was actually a prank Runa pulled on her, and the person who came to meet Akane at the café was actually a man and a complete stranger who is a self-proclaimed Rurihime fan. Akane excuses herself to the ladies’ room to organize her thoughts but… Meanwhile, Yamada who was visiting the Sasaki household to tutor Runa notices her strange behavior and soon finds out about the prank that Runa had pulled on Akane.