Prequel to Ido no Akai. Echo is a 13 years old girl who lives completely alone in an abandoned house, without any friends but the forest animals. People say she's a witch, but is that only a rumor? Or is there a true witch hiding our there?

Prequel to Ido no Akai. Echo is a 13 years old girl who lives completely alone in an abandoned house, without any friends but the forest animals. People say she's a witch, but is that only a rumor? Or is there a true witch hiding our there?