Mikeosu resides on an island among the Orange Archipelago and beleives strongly that the Meowth of Bounty will visit the island gift give wealth to its followers by using Pay Day.
After Team Rocket's Meowth crash lands on the island the islanders get very excited and tended to its every needs. However, when Meowth explained to his new followers that he did not know Pay Day, Mikeosu began to question his beliefs on the Meowth of Bounty. Shimajio suggested that this could be a test of their beleifs and decided to give Meowth some battle experience on the island's battle arena in an attempt to make to learn Pay Day.
After seeing Meowth getting beaten by an Onix and a Nidoking Jessie and James aided their friend by throwing their remaining money and bottlecaps into the arena to make it look like Meowth had used Pay Day. When Meowth saw the bottlecaps he knew Jessie and James had aided him and decided to leave the island with his friends even though he would of had a life of luxury.