The Esquires learn that Kamiki's birthday is coming and they decide to make a surprise party to her. Despite all their efforts to make the party a secret, Kamiki ends up figuring the truth and claims that it should also be dedicated to those whose birthday already passed too. In the end, the party becomes a celebration to everyone's friendship. Meanwhile, Yukio, who is disinterested by all the party planning, reflects on the fact that him and Rin don't even know when their real birthday is. After the party, Rin and Yukio revive a call for help from the monastery were they grew up.