Requiem from the Darkness - Season 1 Episode 4 -

Momosuke arrives at a town where a woman named Oyoshi is being chased by a ronin named Matajuro Ishikawa. Momosuke then ends up developing a crush on her and learns that she is the concubine of Yahei Anzai. It turns out that Matajuro is Oyoshi's father who did a seduction which resulted in Matajuro murdering his wife. Oyoshi is bothered by the what remains of Otama which speak to her. After murdering Yahei Anzai (who put Oyoshi up to an attempt on Matajuro's life), Matajuro ends up capturing "Otama". When confronted by Momosuke and Oyoshi at Tomoei Point, Matajuro reveals Otama's corpse as it turns out that Oyoshi had been forced to kill her. Just them, the authorities arrive to bring in Matajuro. Mataichi, Ogin, and Nagamimi make Oyoshi face up to the magnitude of her crimes as Matajuro is mutilated in his fight with the authorities. At Momosuke's request following Matajuro's death, Mataichi commits Oyoshi to the next world offscreen.