Magical Express Delivery. Recipient from the Depths

Xia Yitiao found his true family. But the meeting with his second older sister, Xia Wa, turns out to be quite different from what he hoped for. What if not all the members of his newfound family are happy to... see him? And it turns out there are other people with superpowers...

Amazing events pursue Xia Yitiao. He discovers that through a painted door in a picture, one can enter another world, and that the star of the swimming school can remain underwater for more than three hours... And there’s also a mysterious ghost ship, captained by a fierce captain who calls himself the "sea god", and the last undelivered courier assignment left by his parents who went missing in time and space...

Will Xia Yitiao cope with all the difficulties on his way and become a true courier of Magical Express Delivery?