TV Tokyo Series

In 2071, roughly fifty years after an accident with a hyperspace gateway made the Earth almost uninhabitable, humanity has colonized most of the rocky planets and moons of the Solar System. Amid a rising crime rate, the Inter Solar System Police (ISSP) set up a legalized contract system, in which registered bounty hunters, also referred to as "Cowboys", chase criminals and bring them in alive in return for a reward.

In the remote and mysterious Moominvalley live the Moomins, gentle and peaceful creatures. Young Moomintroll and his family experience many strange adventures, both magical and mundane.