Rena wrote Kaede's name on the Friendship Ending Staircase. Kaede apologizes to Rena, but she is kidnapped by the Chain Monsters, confirming that the rumor about the staircase was true. In order to find Kaede and bring her back, Momoko and her companions come up with a strategy to lure out the Chain Monsters.
Yachiyo has joined the group after being asked by Momoko to help them. Yachiyo claims that Iroha will hinder the operation and refuses to let her participate in the battle with the Chain Monsters.
WHO KNOWS? BUT IF HER NAME WAS WRITTEN THERE,
AND SHE DISAPPEARED,
IT MEANS THEY WERE ORIGINALLY FRIENDS, RIGHT?
No pongas esa cara.
Un día se reirán de esto.
No pongas esa cara.
Un día os reiréis de esto.
Mais elles a disparu en écrivant
son nom, c’est qu’elles
ont été amies.
E chi lo sa?
Però c'era scritto il suo nome ed è scomparsa, 
quindi vuol dire che erano davvero amiche, 
giusto?
Não sei, mas se o nome dela foi escrito e ela sumiu, quer dizer foram amigas