Kip. 13: Echoes

13

Two young women, Eriko and Shiho, are climbing a mountain. Shiho is having a great time hearing her own voice echo in the mountains, but Eriko just wants to enjoy the view in peace. Then a man's voice breaks through the still air, and the echoes Eriko and Shiho hear suddenly bring a sense of fear... (Source: Crunchyroll)