Based on the 4-koma spin-off manga by Akane, serialised in Dengeki Maou since 2011. <br><br> Takane does not want to put the kotatsu away, even though it's spring. This leads to a huge court battle lead by the Producer and Takanya, on whether the kotatsu should be taken away or not. <br><br> Note: Bundled with the limited edition of the Puchimas! manga, volume 6. <br><br> (Source: EN Wikipedia)