Episode 24 (Hanyō no Yashahime)

Sesshōmaru's Daughter is the twenty-fourth episode of Hanyō no Yashahime, and the finale of the first season. The title refers to Towa as opposed to Setsuna.

Synopsis
Kirinmaru, who descends onto the battlefield, apologizes to Sesshōmaru’s demonic sword, Tenseiga, for his elder sister’s rudeness and sends the seven Rainbow Pearls over yonder. Zero, unable to forgive her younger brother’s attitude, announces that she will cut ties with him and leaves. Riku stabs Kirinmaru in the stomach with a sword and runs after Zero. Sesshōmaru also goes after Zero. At the same time, Tōtōsai, the swordsmith who says he can create the peerless famous sword “Yukari no Tachikiri”, hurries to the battlefield with Sesshōmaru’s retainer, Jaken. An enraged and fully empowered Towa and Moroha confront Lord Kirinmaru but with an overwhelming power before them, they will end up having to pay a huge price.

Plot
Kirinmaru arriving at the battlefield and begins apologizing to Sesshōmaru because Zero had mercilessly broke Tenseiga and gets upset with his older sister because her obsession took her too far and then Sesshōmaru says he doesn't need to apologize as Tenseiga didn't mean anything to him, but he places the broken Tenseiga back and takes out Bakusaiga and challenges Zero, whom he is willing to cut. Meanwhile Jaken who takes care of Rin sees her crying sensing that something bad will happen, Kirinmaru manages to interpose himself and asking why it was not after the pinwheel that he refused, mentioning Kirinmaru to Zero that Rin will no longer be his shield. With Zero ready to accept the challenge, Kirinmaru is forced to intervene by scattering the Rainbow Pearls, leading Zero to renounce her relations with Kirinmaru and leaving to search for the pearls. Kirinmaru tells Zero to 'wait' and leaving the place in a moment of low guard, Riku manages to stab Kirinmaru preventing him from going after his sister and Towa wonders why he did it.

Sesshōmaru goes after Zero and Kirinmaru says to wait but the half-demon princesses appear in the place and mentioning Sesshōmaru that it is the rite of Courage and Cowardice, to which Kirinmaru would face them, this time it would be more serious compared to the first time, this The first part of the fight is where Kirinmaru has total dominance, adding it was a bad idea that they depended so much on the pearls, Jaken who cares about the situation still manages to reach Tōtōsai that he does not know if he will arrive in time, Kirinmaru sees Setsuna's weapon that her current edge would do no harm and Towa increases her power and reminds Kirinmaru that Towa's true potential is seen when Setsuna is in danger as he goes after Setsuna, Towa manages to hurt him in the area where Riku attacked, increasing his power more when seeing this Kirinmaru decides to go with everything he manages to take off Towa, the attack between Setsuna and Kirinmaru this receives cut by the blade that has an arm Setsuna this is quite upset he attacks with everything Setsuna causing her death, Setsuna apologizes to Towa and in addition to that in her mind she begins to remember everything and that side she has with her sister and also says that now the butterfly is making her sleepy the butterfly disappears and her last words were goodnight.

Kirinmaru regrets what happened and says that if the Tenseiga had not been destroyed, they could have revived Setsuna, Towa is determined to avenge her sister and Moroha makes her appearance in Beniyasha mode but she can control that power, both of them are determined to finish it, Kirinmaru willing to face them both takes out his true power and mentioning that Sesshōmaru created the Azure Dragon Wave but Towa made him have two twin heads and the Crimson Dragon Wave of Moroha empowered by the power of his grandfather that instead of fighting that was where he died, this period of this fight was more even, even taking to the limits fight for space itself, Kirinmaru having experience in battle despite being a bit against and then having that attack shock with Towa she would absorb her demonic power but this ends up leaving her energies returning to normal and Moroha goes after her help but ends up being defeated.

After the battle, Kirinmaru says that he had not fought like this for a while and that time he did it before the Great Demon Dog and regrets that he ended this way adding that he wants to see them again to have a new confrontation, also that he remembers Setsuna to take her in her heart before he flies away. Moroha wakes up with Kirara in front of and regrets that they could not win in this battle and Towa apologizes to Setsuna who could not avenge her and felt weak since she could not protect her sister. At the end Sesshōmaru appears in front of Towa and bestows the broken Tenseiga onto her, knowing that she is capable of harnessing her demonic energies into it and possesses a compassionate heart enough to be able to freely wield such a useful gift.

Trivia

 * Originally, this was the finale of the anime, but was followed by another season due to successful ratings and popularity from fans of the InuYasha franchise.
 * The Rainbow Pearls are again scattered, this time by Kirinmaru, to keep Zero from interfering with his ultimate designs.
 * Zero ditches any loyalty to her brother and leaves him to his fate.
 * Riku betrays and stabs Kirinmaru.
 * Kirinmaru wears a mask to hide his scales.
 * Towa can only transform into her demon form when she suffers great emotional pain; unlike her uncle, who subconsciously taps into it in life or death situations.
 * Ironically it is Towa's love that gives her strength. The very thing Setsuna kept telling her to get rid of.
 * This also marks the first time Towa accesses her full demon form.
 * Moroha finally manages to master her Beniyasha form, having control of her demonic energy and not immediately feeling completely wiped out from it.
 * When Setsuna's blade of her naginata turned red is very similar to how Tessaiga transformed into red Tessaiga.
 * Kirinmaru gets another facial scar, this time from Setsuna.
 * Kirinmaru breaks the Kanemitsu no Tomoe and fatally wounds Setsuna.
 * Setsuna is the first main character to die.
 * As Tōtōsai is heading out on Mō-Mō, he is likely going to repair Tenseiga. Tōtōsai can sense when his own creations need him and expertise in strengthening them further.
 * At this point, Sesshōmaru passes down the Tenseiga to Towa, as he knows how compassionate her heart truly is.
 * This fits with Towa's wish to save lives and not harm others.
 * Sesshōmaru says Towa's name for the first time.