Sōta's novelist sister Izumi enters a slump when she assumes he is dating Popura and will stop paying attention to her. She decides to go on a journey where she ends up meeting Mahiru who helps cheer her up. As Sōta looks after Izumi, Nazuna helps out at Wagnaria, which annoys Aoi who believes she is outshining her. After hearing about it, Nazuna puts on an act to make Aoi feel better about herself.
ワグナリアのバイトから帰ったなずなから、バイト先に“宗太と特別な関係の女の子”がいると聞いた泉。
ショックのあまりスランプに陥った泉は、書き置きを残し家出してしまう！
나즈나로부터 와그나리아에 타카나시의 여자친구가 있다는 이야기를 듣게 된 이즈미는 그 소식에 충격을 먹고 슬럼프에 빠지고 만다. 결국 원고마저 내팽겨 둔 채 가출을 하고 마는데...
