2x12Seal + Vampire Episode Summary Aired: Wednesday December 17, 2008
Following the previous episode, the fracture in the sky above the academy and that of the human world is allowing the humans and youkai to peer into each others world from above. Moka decides to replace the broken rosario on the seal with hers, thus stopping the youkai world from merging with the humans'. However, Outer Moka's actions come with a price, as she is replaced permanently by Inner Moka. She proves to be bolder with her emotions than the Moka Tsukune has come to know, making him depressed. Ruby, however, discovers a way to recover Moka's rosario. According to the Chairman, Moka's rosario and the barrier's rosario are made by the same person, who is one of the three founders of Youkai Academy along with the Chairman. He resides in a castle north of the barrier. Ruby informs Tsukune about this, and Tsukune determines to find that person, despite Ruby's warning that he will kill anyone who approaches his castle. Meanwhile, the other girls' mothers visit the school the following day and start searching for Tsukune, hoping to hear his decision on who would be his future wife. However, Tsukune has already set off to find the creator of Moka's rosario. Little does he know that Kokoa has overheard his conversation with Ruby and is planning to intercept him before he reaches his destination.