Roly-poly Surprises

As a new student named Goro Goro enters Harumi's class, various people, including Harumi and Kappaeru, find themselves inflated into a blimp-like form with an insatiable appetite, with anything they touch also becoming fat. As the Yokai patrol lure out Goro Goro, whose real identity is a Yokai named Fukurashiko, they are ambushed by Enpi and turned fat as well. They end up bouncing all over the world, eventaully ending up on the moon, where Enma, Yukiko and Enpi, who was also made fat, simultaneously kill Fukurashiko, returning everyone to normal.

ハルミたちのクラスに転校生がやって来た。その名は語呂吾郎。だが、吾郎の正体は、触れた相手をボールのように膨らませてしまう妖怪『ふくらし子』だった！まんまるにされてゴロゴロ転がっていくハルミたち。