It's bad to wear just a bra in public.
Alexis goes to the beach with her friends, but she forgets to bring her swimsuit.
Alexis wants to swim.
Alexis buys a new swimsuit from the shop at the beach and puts it on before swimming.
Alexis takes off her shirt with the bra on and swims in the sea.
Her friends have so much fun with her swimming together in the sea.
Her friends feel embarrassed and uneasy staying with her.