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E1 Kaidan: Mieru
A kaidan written by Ami and recited by Yotsuya Miko. Included in the BD/DVD Volume 1.
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E2 Kaidan: Chains
A kaidan written by Ami and recited by Yurikawa Hana. Included in the BD/DVD Volume 2.
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E3 Kaidan: Black Girl
A kaidan written by Ami and recited by Niguredou Yuria. Included in the BD/DVD Volume 3.