Ep. 13: Kunikida confronta Muramasa enquanto Ranmaru e Sakura descem ao submundo para resgatar Saya e derrotar Taishi.

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Kunikida encounters Muramasa and after an argument, the two tried to shoot each other when Kunikida heard Muramasa ordering that Ranmaru and the other Tokko operatives are to be arrested and taken care of. Back at the Machida apartment complex, Ranmaru and the others assemble to do battle against Taishi, with Kureha severely wounded. Ranmaru and Sakura head into the underworld via the giant hole in Machida in order to rescue Saya and defeat Taishi. The end of the anime seems incomplete because it doesn't show the complete destruction of the demons. Moreover, when Ranmaru is in the hospital next to Sakura, there is another hole as big as the one in Machida as Taishi's laughter echoes across the scene. (Source: Wikipedia)