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各卷收录的未播放特典短动画。共7话。
非同好会，为勇太帮六花在同好会复习功课的事。
