An funny and harmless joke :3

Marie and his (adopted) son Dan were enjoying an time together on the beach. Until someone appear from an portal..
Sin: Hey.. You shouldn't be, stoping crimes officer?
Marie: They give me an free day..
Sin: Oh free day! Okey.. But you know, I think you aren't enjoying your free day right. But don't worry I will help you!
clap
Sin: There, now you are underwater until I get bored! Oh and don't worry little Dan, meanwhile you keep drinking that you can breath.. But not you Marie, have fun~ hehehe~
Marie: Mghhh! (You son of an...)