Rentaru magika
Season 1 Episode 14: Hoshi no kioku
Astral is contacted by Kei Isurugi, a member of the school of Onmyōdō that Nekoyashiki once attended, to perform a ceremony at a mountain. Itsuki accompanies Nekoyashiki and Mikan, but they are attacked by Kei during the ceremony. Kei remarks that he lost his sister, Sakuya Isurugi during a similar ceremony three years prior because Nekoyashiki left the school at the time to take Mikan to Astral. Nekoyashiki challenges Kei to a personal duel, and Itsuki upholds this, stopping the arriving Hon...