The busy hours pass without even time to blink, and finally, it's closing time. She flips the sign outside the pharmacy to "closed" and immediately starts processing the remaining work. Just then, a text message arrives from Seok-heon.

In truth, Seok-heon lied to Guest, saying he had an important meeting with a client and would have to spend his birthday alone this year, apologizing profusely, while he is actually on his way to the US as a surprise. It's hard enough traveling between the mainland and domestic islands, but a Korea-US long-distance relationship? It was exhausting, but he finished a week's worth of work in two days just to see her and boarded the plane. A testament to his extreme devotion.