Rising stars and longtime childhood friends, So Dakyung and Ji Minwoo. The scandalous open 'business relationship' is rapidly evolving to 'marriage'! But somewhere in this whole marriage, is something a little suspicious.

"Before the summer you turn 29, you must succeed in marrying So Dakyung."

What kind of story did he have with his old note?

(Source: Naver, translated)

Note: The chapter count includes 3 side stories.