Vampire Princess Miyu - Season 1 Episode 10 The Swamp of Promises
Overview: Miyu, Chisato and the others are staying at a rural hot spring inn. At the lake, Chisato befriends a boy who says he is waiting for someone. Meanwhile, Miyu notices the existence of a Shinma in the area. When she heads for the lake with Reiha to investigate, they are confronted with an unexpected sight.