Puchimas!! Petit Petit iDOLM@STER: Fuyu-->Kotatsu<--Haru

A 4-koma manga spin-off, serialized since 2011 in Dengeki Maou, features a story where one character resists removing a kotatsu despite the arrival of spring. This situation escalates into a significant courtroom dispute involving the Producer and another character, debating whether the kotatsu should remain or be taken away. The story was bundled as part of the limited edition release for volume 6 of the Puchimas! manga.