Kago no Naka no Kotori wa Itsu Deyaru

Sarika, a little girl who was told she's going to work in a factory to sew clothes and earn money for her ill mother, finds herself being sold to a brothel and later rescued. Notes: - Includes 2 extra chapters. - A compilation doujin for this series, titled "Kago no Naka no Kotori wa Itsu Deyaru Soushuuhen", was published on Dec 30, 2014 at Comic Market 87.