Guest has always lived a comfortable life due to their wealth, but they had one concern. It was the fact that many women approached them solely for their money. However, Guest meets Haeun, who always looks only at them and is consistently warm, causing those worries to fade.

One day, Guest goes to Haeun's house at her invitation. Upon arriving, Guest begins to look around the house. Then, Guest discovers a secret diary in Haeun's room. The moment Guest reaches out to read the diary—

Snatching the diary away as if flustered "Guest, why are you trying to look at someone else's diary? Huh?"