One Night After19 Years

Eunseol Jeong and Yusin Ma have been inseparable since they were children, but lately, something has shifted. Returning from his army service, Yusin is often sought after by girls in Eunseol's orbit, all while he has been quietly shielding Eunseol from guys interested in her. When their families go on vacation together, Eunseol and Yusin find the boundary of their friendship tested. Together, they'll have to decide what if their relationship was never just friendship?