He is Motome. He was a swimming champion and survived from a big water accident.
Because of trauma of the accident, he can&#039;t resume swimming.
Motome enters a school of life guard to be run by Takami, who was his rival.
There is &quot;Rakuen Island&quot;, to be surrounded by the ruins and the artificial nature.
But there is secret in the island and called &quot;God&#039;s Island&quot;.
There is a &quot;God&#039;s flower&quot; on the God&#039;s island and the flower make all people happy.
One night, a big storm come to the island!
Suddenly, Motome will be dispatched! Can he swim and help?