Usatama was born from a mysterious machine called Easter Eggs Factory that sent from Toontown. It seems this weird looking character is mischievous, so he started to do many pranks in Tokyo Disneyland. However, Mickey Mouse and his friends stood up to stop Usatama, and they stuck together as Usatama Chasers.
One day before Easter. Something was sent from Toontown to Mickey Mouse who are preparing.
Apparently it looks like a machine to make Easter eggs. When you turn on the switch, a lot of nice Easter eggs will come out. "Gosh! Everyone will surely become happy!"
Suddenly, a wired egg came out! The hands and feet moving in a shaky way, with the rabbit ears and the tail attached to it, the birth of "Usatama"!
This "Usatama" was born one after another and ran away into the park. A lot of curiosity "Utamama" makes mischief over and over. "Oh, boy! We have to catch them!" Well, let's seek out "Usatama" together with all the guests!