Ep. 4: Muginami joins Madoka's class and the Jersey Club after a swimming incident

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Muginami transfers into Madoka's class, which causes worry for Tadokoro and Youko. With eventual convincing from Tadokoro and Youko, teacher Machiko Iwabuchi allows Madoka to continue piloting Midori only if she continues living at home and attending school. Soon afterwards, Madoka and Muginami participate in an annual high school open water swimming competition, while Lan keeps watch on an inflatable boat. Muginami spots Lan and plays a prank by tipping her into the ocean, unaware that Lan is unable to swim. Realizing her mistake, Muginami assists Madoka in rescuing Lan and performs cardiopulmonary resuscitation, forcefully compressing Lan's chest and passionately giving her mouth to mouth resuscitation. Madoka invites Muginami to join the Jersey Club, much to Lan's annoyance. Both Muginami and Lan decide to work part-time at the Be With Hiroshi restaurant, owned by Madoka's uncle Hiroshi Nakaizumi, due to their polar opposite traits attracting many customers. When Madoka allows Muginami to live with her, a jealous Lan also decides to transfer into Madoka's class, join the Jersey Club and start living with Madoka. Meanwhile, a technical glitch in the Pharos security system allows Array to make a quick getaway in the Ovid Teneritas and rejoin his allies. (Source: Wikipedia)