After the events in the previous episode, Akihisa manages to convince the principal to change Mizuki's class, but before he was about to be rejected, Shouko and Yuuko appear to ask for a rematch since the victory was cheap. Akihisa decides to fight alone.... but this time, its for Mizuki. Shouko has other plans for Yuuji if she wins.... through a marriage contract... (thetvdb.com)