Sorry for Making You My Friend (S01E03)

Title: Regrets of Friendship Plot: Rena inscribes Kaede's name on the Friendship Ending Staircase, leading to unexpected consequences. After Kaede expresses her apologies to Rena, she is suddenly abducted by the Chain Monsters, proving the staircase's ominous legend to be true. Determined to rescue Kaede, Momoko and her friends devise a plan to draw out the Chain Monsters. Yachiyo, recruited by Momoko for her skills, joins the team but insists that Iroha would jeopardize their mission and therefore should not be involved in the confrontation with the menacing creatures.