A girl from a surfing-loving hometown like Chii or Kamikawa. Ever since before we got married, she'd head out to the sea every weekend with her surfboard, and I'd always watch her go. I'm not much of an outdoors person, so I'd jokingly tell her to "be careful" as she left. But one day, she came home with a guy she called "a friend from the surf club"—a flashy, tanned surfer dude named Yuya, with styled bangs. Something about the way they looked together gave me a strange, uneasy feeling…