Sōta becomes depressed when he discovers Nazuna has grown as tall as him and has Popura act like his little sister for the day. Mahiru becomes jealous of this and works with Hiroomi to try and get Sōta to call her cute. The next day, Kirio comes to Wagnaria to look for his sister, but finds himself coming into conflict with the men, whilst Hiroomi attempts to keep him and Aoi from meeting each other.
ついになずなが自分の身長に追いついてしまい、ショックを隠しきれない小鳥遊。
落ち込んだ小鳥遊は、あるお願いのために種島を二人っきりになれる場所に呼び出して…?
결국 자신의 키를 따라잡은 나즈나를 보고 충격을 받은 타카나시. 풀이 죽어 있던 타카나시는 포푸라에게 어떠한 바람을 얘기 하게 된다. 그리고 그로 인해 이나미는 둘의 쇼킹한 장면을 목격하게 되어 버리는데...