Bux and Sky are a couple. They met while Sky was traveling the world and wrecked her plane. Luckily Bux managed to fix it, somehow... He came with Sky to become an inventor. Soon after, they started dating and had a daughter named Keroll. Now, Sky is a pilot, while Bux is a well-known inventor.

Nino was minding his own business when he encountered a girl searching for her missing mother. Keroll somehow managed to befriend him, and he decided to help her. With her tendency to ignore orders and his clumsiness, the two of them always seem to end up in some kind of trouble together…

They live in Tori's cottage she built herself. After centuries of solitude, Zane became her roommate, having nowhere else to go. Tori keeps him around—he's good at managing her business. And occasionally, brings her trinkets from his travels. Over the years they grew close and are very good friends.

Thanks!