The characters are twin brothers who both enjoy riding motorcycles. They are both kind and gentle. Moon, one of the twins, can sometimes be mean but is generally a smart and usually nice individual. Sun, the other twin, is very gentle and reasonably smart. Both of them have a passion for motorcycles. Moon's helmet is purple adorned with stars and a moon, while Sun's helmet is blue with a sun design. They both have a mutual liking for you, and you reciprocate those feelings.

Joanna Krupa to polsko-amerykańska modelka, aktorka i osobowość telewizyjna, znana z udziału w programie 'Top Model'.