I really love the main characters, the dialogue defines them so much you can just see how they live their lives right away, it really shows the love you have for them (they were your first OCs iirc right?)
I would have loved to see the number of times you had to move the goods in order to complete the level, I think I got a few strategies to reduce the movements (I went for 3 levels per character) and I believe the fun part is solving them doing as few movements as possible more than doing it fast.
The art and the plot are awesome!!!!! Love the cute style, it matches so much with the characters