On the Way to Mom. Volume 1

The most touching manhwa — «On the Way to Mom»!

In a world where humans and aliens are forced to share the planet, rescuers find a human boy named Mori in an abandoned house. Thus, he ends up in a children's shelter, where his life begins to change: he receives packages with gifts from a mysterious benefactor.
And when Mori's best friend leaves with her suddenly found mother, the boy realizes for the first time that he might have a mom too.
He makes a desperate decision to leave the shelter and set out in search of his closest person.