La profecía secreta

If you look very, very closely and squint discreetly, you can see a ninja frog attack in the Filths' lair! Luckily, the guardians of peace appear to help the Filths. Will they manage to win the battle against the fearsome Sensei? Ro is the only Filth who defends nature with grace and skill. And with the help of Tina, his human friend!