Ao no Exorcist Odcinek 12: Zabawa w berka

This time, the mission is to investigate a ghost that was reported at an amusement park. Rin becomes uneasy being partners with Shiemi, since it's a lot like being on a date. Eventually, they discover the ghost of a child. He taunts them and runs away, turning things into a game of tag! After Rin and Shiemi become separated, Amaimon, King of Earth, appears in front of Rin. He steals the Koma sword, causing Rin to lose control of his demon powers.