Episode 23 (Hanyō no Yashahime)

"The Three Princesses' Strike Back" is the twenty-third episode of Hanyō no Yashahime. It is the penultimate episode of the anime.

Summary
Towa and Setsuna tend to go after Zero, wanting to end her personally in retribution for what she did to Setsuna. However, Riku shows up and fights against Moroha to defend the lady who looked after him all those centuries ago. Just what revelations will be revealed in this battle between the creator of the seven mystical Rainbow Pearls and the prophetic half-demon twins?

Plot
Osamu Kirin is seen talking with Sōta and Mei asking about Towa about her transfer, who uses a faux illness as an excuse for Towa's absences. When Moe arrives outside from the airport, Kirin suddenly mentions something about the unfortunate comet to which Sōta says that he has heard something from him but he cannot see it. Kirin mentioning that a normal human cannot see him. In the feudal era, Kirinmaru is looking up at the night sky. Zero is preparing the last for and looking for the way for Towa to release his hidden power to which Riku tells him that he may not have them due to his form to be kind enough and Jyūbei tells Towa and Setsuna about her blood blade and heritage of poison claws and swords from Sesshōmaru and at the same time tells Moroha that she has a commission and this time Towa and Setsuna do it that they want to kill Zero.

Kirinmaru for his part visits Sesshōmaru's mother and gives her a typical compliment and mentions that her sister Zero is very obsessed with the issue of Sesshōmaru's daughters the supposed prophecy. Sesshōmaru's says she doesn't care for her granddaughters and a half demons worth comes from survival. Kirinmaru cannot let her get away with knowing that it is the objective, adding that the windmill has moved something to which Sesshōmaru's mother says she has not seen Akuru in these years. Kirinmaru mentions that Sesshōmaru is having difficulty finding Akuru's pinwheel, which his mother says it's his way of passing time. Kirinmaru says Sesshōmaru's true intention is to take care of Towa and Setsuna. Sesshōmaru's mother denies it as it would almost make Sesshōmaru seem human.

Towa and company arrive at Zero's base of Izayoi's mansion on Takechiyo to confront her and seek to end her. Towa and Setsuna split up. Towa finds Zero and has a short conversation before they battles with Zero demanding her to reveal her hidden powers. When Setsuna finds Riku and has a short conversation with before they battle, who deflects her Cyclone Burst and Scourge of Swallows. When Zero attacks Towa, Moroha appears on Kirara to battle Zero, attacking her with her Sacred Arrow and Crimson Dragon Wave and Crimson Backlash Wave as she knows Zero's attacks. At the time of Moroha's attack Riku manages to still protect Zero with the Great Dog Demon's ashes, Myōga who was there for her suggests to Moroha that they leave the place was not the right thing to do since it would be disrespectful this Moroha apparently did not care enough, Zero suggests that Riku give Towa the silver Rainbow Pearl back to what he says has to be a joke since he has tried hard to obtain them and return them to what this surprises Zero a lot and makes her annoyed and she begins to release her power and out of nowhere she receives the attack of Setsuna manages to kill Zero with her awakening blood blade, which causes Riku to worry and go to her side.

Sesshōmaru and Jaken find Akuru instead decides to go to Rin in the Tree of Ages. Kirinmaru on his ship notices the Windmill of Time has moved. Zero in full agony this makes Rin wake up, telling Sesshōmaru that she is dying and who was the cause of the attack, since Zero is connected with Rin in case she dies the same way Rin dies, Zero who walks through the underworld and talks with Sesshōmaru's mother, it was a conversation to shoot darts frequently, for being intrusive she happened that to Zero to which she says that it is fine since Rin would pay with her life and that would make Sesshōmaru sad and she threw a hint with Izayoi herself in if she maintains her posture not to interest humans, Sesshōmaru's mother tells Zero what she really wanted to do Zero answers to protect his brother from the half and demon and from the blood that the great dog inherited greater than Sesshōmaru's mother says that it is jealousy and that very human being makes Zero quite angry.

Sesshōmaru arrives on stage and revives Zero with his sword this makes Zero quite furious at Sesshōmaru for his interference and ends up cutting the Tenseiga sword, Zero wants on his own to eliminate the half demon and she will have no doubts, Lord Kirinmaru who at the end appears descending from the sky, glowing.

Trivia

 * Sōta Higurashi uses a faux illness as an excuse for Towa's absences is similar to what Grandpa Higurashi used to do for Kagome in the original series.
 * Zero is resurrected by Tenseiga, therefore saving Rin as well by sending her back into deep sleep.
 * The following episode's preview contains rain instead of the usual music and is mostly silent with the exception of the title card being read.

Error

 * Before Zero is killed by Setsuna, the gold Pearl is missing among the gathered Rainbow Pearls.