At work, she’s the perfect career woman. But after she leaves, she lives the life of a carefully hidden otaku—Haeyoung. Her peaceful double life begins to shake when she meets a “freaking handsome cosplayer” at the venue of a weekend gaming event. The identity of that extravagant cosplayer is none other than Juyeon, the quiet and invisible nerd from her company! The two, who have never exchanged even a word of small talk, end up sharing a secret against their will, and Juyeon makes an unexpected proposal to Haeyoung, the very person who asked him to keep it hidden… Will this relationship really remain safe until the end?