Whilst fretting over their summer homework (with the exception of Reika), the girls stumble upon another of Majorina's inventions and get sucked into a game world. Discovering Majorina, Wolfrun and Akaoni had also been sucked into the same world, the girls are challenged to a series of games that they must complete in order to escape and finish their homework. Despite the games being rigged, Miyuki outdoes Majorina in a game of Whac-A-Mole while Akane beats Wolfrun in a go-kart race and Yayoi exceeds Akaoni at bowling...