Kokonoka no Majo

Kokonoka no Majo (ココノカの魔女) is a manga series by Idumi Kirihara. It was serialized in Comic Seed!.

Plot
Rumors are abound regarding a witch the lives in the forest near the village, unnerving the villages. That's when Sarami, who was was out collecting herbs in the woods, encounters a girl who looks exactly just like her.