Serval's life in Japari Park is happy as can be. One day, she finds a lost child with no memories! After the curious cat names her newfound friend, the pair set out for Japari Library to find out who the lost little one is!

Kaban and Serval need to charge the bus's battery at a mountaintop café, but can't take the ropeway there. Instead, they ask Crested Ibis for help, only her singing is, uh, indescribable.