COVID has spread all over the world! Gwang-Ho, an intern, is deployed to 'Mermaid Village' by the sea in a time of medical shortage. One day, he sees a diver named Hye-Yeon naked on the beach. Since that day, he couldn’t stop thinking about her, and decides to do something about it. "I didn't know a diving suit could be so sexy..."(Source: TOPTOON+, edited) Note: Chapter count includes an epilogue.