Ep. 10: Kotaro Plans Revenge Concert Amidst Okoba's Threats and Impending Cataclysm

Three weeks after the failed 2019 Arpino concert, Kotaro announces a new event at Ekimae Fudōsan Stadium. His poor management leads to debt, but Tae restores the girls' confidence by buying food with his savings. They aim for a revenge concert. In 2020, Kotaro schedules the event for the anniversary date, taking precautions to avoid past disasters. Okoba confronts Kotaro with evidence of the girls' secret, threatening to expose his exploitation of the dead. That night, Kotaro reveals to a bartender that he resurrected the girls to preserve Saga's memory after a prophesied cataclysm. The disaster begins immediately as Okoba attempts to publish his exposé. A severe rainstorm causes a prefecture-wide blackout in Saga, sending the girls' mansion sliding toward the sea.

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