Before you start to read

Heiji is 27 years old and the most famous detective of Osaka. But the new case he gets involved in is a very special one.

It is his mission to find the parents of a little girl. But it gets harder than he thought it would be, because nor the girl does know the name of her parents, nor she knows where she actually live. As if this wasn't enough there are several mysteries about her family that have to be solved. Will the great detective manage to bring her back to her mother? And what is about the strange situation in her family?