Title: How Hatori got a black eye in Okinawa
Mayuko lay on her back in the shallow surf, her head on the sand.
"You came all the way down to Okinawa, but you won't swim?"
Hatori stood barefoot in the waves, watching her. "Not my thing."
"You're a real stick-in-the-mud. You're lucky a gorgeous babe like me hangs out with you."
"Wave."
"Huh?" Suddenly, Mayuko was gasping water as the big wave receded. Milliseconds after that, she noticed that the wave had made her bikini top loose. She quickly covered herself.
She glared at Hatori. "Did you see?"
"Yes. But it's okay: I'm a doctor."
*POW*
Author's note: I originally started this off with a preface of Kana asking Mayuko how her trip to Okinawa went, but there was no way to keep it to 100 words with the preface attached.
This is a sort of an answer to a "swimming" challenge from Lydiacatfish. Thanks for the challenge!