After failing her English pop quiz, Rikka takes a supplementary lesson from Nanase Tsukumo in the clubroom, while Yūta, Shinka, Kumin, Sanae, and Makoto Isshiki take watch. Nanase even implements the use of "translating" the name of Rikka's umbrella, Schwarz Sechs Perfect Customize Guerzoniansus, into the supplementary lesson.

第二期BD/DVD各卷收录的映像特典。全7话。前4话都是窝在同好会里的女子会日常，第5话改在海边(为了配合该Vol内的剧情)，第6话为探讨为什么Kimera瘦不下来的原因，第7话为勇太帮六花在同好会复习功课的事情(最后2话非女子会)。