As Tae-in moved away suddenly, Do-ha embarked on a long-distance relationship that certainly wasn't planned. Although they talk to each other daily and constantly through KakaoTalk and video chat, they all never enough in fully expressing his love for her. So he secretly plans to propose to her. But for some reason, Tae-in contacts him less and less often. Do-ha feels his trust and confidence in their love breaking down slowly...
| Actor | Role |
|---|---|
 Jang Dong-yoonDo-ha | Do-ha |
 Park You-naTae-in | Tae-in |
 Ko Gun-hanJames | James |
 Lee Si-wooGa-eun | Ga-eun |
 Jeon Hye-yeonAh-young | Ah-young |
 Kwon Dong-hoKang Jin-hyeok | Kang Jin-hyeok |
| LLee Seo-yoonSe-hee | Se-hee |
| CCho Young-gilChoi Cheol | Choi Cheol |
| BBang Sang-hyunYoutuber | Youtuber |
 Jang Eui-sooPrevisual man | Previsual man |
 Kim Byung-namHalloween party man | Halloween party man |