Terror at Bloodstain Lake! Apparition in the Snow

Terror at Bloodstain Lake! Apparition in the Snow

Available on Prime Video, Crunchyroll
S1 E17: The gang takes a trip to the mountains to stay at a resort run by Satsuki's cousin Miyuki; upon arrival, a young girl tells them that Miyuki is dead; it seems that her ghost still haunts the frozen lake, turning it blood red.