On the Way to Meet Mom

Story:

One day, Mori finds himself at a children's protection center after a rescue team finds him in an abandoned house. He starts to discover a new way of life here, one that involves receiving lavish care packages from an enigmatic client. However, Mori discovers for the first time that every child has a mother when his best friend is reunited with her mother and departs the center. He then makes the decision to set out on a quest to find his own mother. However, what kinds of challenges lie ahead?