Star Driver: Galactic Pretty Boy

A boy named Takuto Tsunashi, swam from the mainland to a small island to make a difference in his life. After making friends with Sugata and Wako who rescued him, Takuto enrolls in the local school and gets himself involved in a conflict with the secret organization "Kiraboshi Juujidan", that kidnap Wako as part of their plan to take control of the island's secret treasure.