A man saves a rat who is being bullied, and is granted great fortune. A man saves a turtle who is being bullied, and is taken to an undersea palace.  A man saves the frogs in a swamp, and is given a magic folding screen.
Tarou was having great fun 
every day in Ryuuguu Palace,
Desde que llegó al castillo Ryuuguu,
Desde que llegó al castillo Ryuuguu,
Taro estava se divertindo muito 
todos os dias no Palácio Ryugu