Ep. 12: The Amphisbaena IV
Ipinalabas noong Disyembre 20, 2013
When Kojou is disabled in the battle with Kanon, Yukina retreats with him behind La Folia's barrier. Both Yukina and La Folia share their blood with Kojou to aid in his recovery and the awakening of a new power. They have no choice but to rush to Kanon's rescue as her ego slips beyond control and she loses her grip on her humanity. (Source: Crunchyroll)