Watashi no Ningyou wa Yoi Ningyou

Chieko owns a doll that is very precious to her. When her friend Hatsuko dies, Chieko's parents decide to offer the doll to Hatsuko and to bury her with it, so she won't feel alone during the travel to the kingdom of death. But Chieko doesn't want to give doll and decides to hide it. Years have pass