Sound of myself

Haru, a girl who was abandoned by her parents at the age of 4 is living a harsh life in an orphanage. While living there she developed some surviving skills due to circumstances that appeared in orphanage. 5 years after, a girl was brought to the orphanage and soon enough Haru and her became best friends, they happily lived together until someone came to take Haru away. After that event Haru's life completely changes...