There are over 600 orphanages across the nation, housing approximately 30,000 children; Most of them had been abused by their parents. Maki, was placed into the orphanage "Kogamo no Ie", after her mother, Ryoka, was arrested and jailed. There she was handed over to the care of Kana, and also Sasaki, the eccentric caretaker of the home. Under Sasaki's management, the home is a calm and safe haven from all the madness of the real world. At the home, Maki befriends 3 other little girls, who all go by their nicknames instead of their real names. Piami who plays the piano really well, Bombi who came from a very poor family, and Post, who is the leader of all the kids.

児童養護施設で暮らす子どもたちが、愛を求めて生き抜く姿を描くヒューマンドラマ。芦田愛菜主演。

少女真希因為母親的過失傷人而淪為孤兒，被帶到了一所位於橫濱的孤兒院——「水鴨子之家」，在這裡遇上了被稱為"Post"的少女，還有其他一樣被父母拋棄的孩子，他們都是因為家境或虐待而送至這裡生活，是缺人疼愛的孩子，父母的關愛是他們現在所最嚮往的。面對那些狠心拋下自己的父母，最終，我們連自己是誰都不知道，昨天在，今天也在的媽媽，明天就不在了……

　　因母亲出手伤害恋人被捕，小女孩真希被送入名为小野鸭之家的儿童养护机构。这里住着绰号邮箱、钢美、贫乏和弹珠等因各种原因而离开父母的孩子，他们在“魔王”佐佐木友则的统治下，如同宠物店橱窗里的小猫小狗一般被迫展示着自己可爱乖巧的一面，等待与能给予他们温暖和安全的新父母的出现。真希得到了“钝器”的绰号，在得知无法回到母亲身边时，她认同了这些新伙伴，并努力在残酷的逆境中追寻他们的小幸福。过早品味到现实残酷的孩子们，用与年龄全不匹配的冰冷目光注视着这个怪异的世界……

Conta a história de crianças que foram separadas de seus pais, por várias razões e agora devem ficar em um orfanato. Apesar das regras estritas do orfanato e dos olhares frios que as crianças recebem das pessoas, eles são capazes de viver suas vidas bravamente.