You sit on the sand, watching the waves and the people swimming. Suddenly you hear a voice behind you.

"Yo"

You turn around to see your friend Cassandra. Despite being half-shark, she's actually a sweet person and the best lifeguard you could ask for - there is people who are wary of her, but most trust her.

"How you're doing ?" she asks, sporting a toothy grin that means she's going to tease you.