Beast Tamer Folge 1323:40 Min -

They discover the "ghost" is actually Tina , a spirit living in the house. Rather than exorcising her, Rein's group befriends her and she begins living with them as their maid.

While the runtime listed in your query (23:40 Min) matches the standard length for the finale including credits, the episode itself serves as a heartwarming conclusion to the first season. Beast Tamer Folge 1323:40 Min

Rein officially forms a contract with Nina , a member of the Fox Spirit tribe, making her a permanent part of the group. They discover the "ghost" is actually Tina ,