When a plane crashes at sea, dolphins rescue a little boy and raise him as family. He lives a carefree life beneath the waves until an evil monster seizes power over the underwater world. Banished to dry land, the boy is taken in by a kind-hearted captain. With his new companion's help, the boy embarks on a journey to solve the mystery of his true identity.

A messenger of the special delivery service does their usual job: delivers orders to people's houses. It'd be an ordinary story, if it wasn't for the deliveries themselves- these are sheer emotions. Any person can send real joy or love or any flashbacks to their addressee - messenger will deliver everything at one's command. But will one feel better?