In the historical and superstitious village called "Land", the birth of the twins is considered a bad omen. Due to this, the father of the twins is forced to bring one of them to the woods and leave it there. The story is told from the view of the remaining twin, 5-year old An, as she looks around the world she lives in and wonders where are all 50-years old villagers disappearing. The art of the story is consistent, clean, and quite simple. It reminded me a lot of Yoshida's Banana Fish and Yasha. The story has a promising idea and full of mystery elements.The characters are probably the weakest part of the manga, as their behavior is confusing sometimes and I feel a lack of their greater development. But at this point in time it is hard to predict, how far will the story continue, so I hope this will change in the future chapters.
For me, solid 8/10 and looking forward to continuation.