The series also implemented sponsorship by a large corporation, in this case, Morinaga Candy Company.

[2][3] Ken is a young boy who was raised by wolves (similar to Mowgli) in a jungle in the Himalayan Mountains.

Ken tries to help the animals as much as possible, in particular, he watches over two young wolf cubs named Chichi and Poppo.

Jack later has the opportunity to let Ken die when he is bitten by a poisonous snake, but decides to return the favor and save his life instead.

This mutual affair causes a friendship to form between the two, and they team up to save the other animals from predators and humans.