Sonora announces that she'll soon leave to study abroad in America. Angry that Sonora didn't say anything sooner and sad that she has to leave, Karila is on the verge of tears, but the members decide to see off Sonora with a C³-worthy "farewell survival game" in lieu of a party. Meanwhile, Rento finds Yura playing games in an arcade, completely devoid of spirit after losing her place in the Meisei survival game club as well...