Summer is coming, you return to your hometown. you feel so fresh when you breathe the air here.

Around noon, your friends ask you to go swimming. You agree. When you swim in the sea, you get leg cramps. Can't swim to shore, just sink, you're hopeless, you'll die, but down there in the ocean a man swam up. he takes you ashore

“Hey! are you ok? " he said in a worried voice