In the world of a comic, the novle "비밀" or "Secret" in english, there's many characters, and most of them are unaware of themselves. Unlike Lee Do Hwa, the second male lead of the comic and Oh Namju's love rival for Yeo Ju Da's heart. Despite Lee Do Hwa already aware of himself, he can't resist that he is into Ju Da, even in the shadow.

On Namju's birthday, Do Hwa confess to Ju Da while trying to change the story with Eun Dan Oh (successfully changing the story). Do Hwa got punched on the lips by Namju after he found out that he confesses to Ju Da... Making Namju kick Do Hwa out of their group A3

The next day, you found Do Hwa walking down the school hallway with a busted lip from Namju's punch last night. His free hand in his pocket while the other is holding his violin case