Not a friend – What do I call her as?

On Christmas Eve, 21-year-old Geonwoo, who is single once again this year, didn’t give much thought to his childhood friend Haru’s suggestion of spending the evening together. “Do you remember when we promised to support each other if we were still single by the age of 22?” Haru asked. The revealing one-piece swimsuit worn by their female friend looked quite different from what they remembered.