Thus Spoke Kishibe Rohan

Season 1, Episode 7: #7 Hot Summer Martha

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A depressed Rohan takes his dog Bakin for a walk. Dazed from the strong summer sunshine, he stumbles upon a mysterious cave inside a huge tree. Climbing inside, he ends up crouching with Bakin in his arms. After returning home, things feel a little odd. Curiously, there is a young woman under the blankets on his bed...