The original video animation known as Kamisama Kiss: Past Arc consists of four episodes and aired between August 20, 2015 and August 19, 2016.
This OVA series adapts the Past Arc, in which Nanami eventually encounters Mikage, the person responsible for passing his Land God duties to her, once again after Tomoe, her youkai familiar, passes away.
The meeting takes place after Tomoe's breakdown.
Nanami must travel through time to the past in order to save him. She must discover the woman with whom he was in love and bring her back to the present.
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