I Became a Guide For My Childhood Friend

“I told you. You have to take responsibility for me. We have to get married.”
An unexpected difficulty appears in front of Yernia, who tried to find love in her hopes to avoid a forced marriage, but then, she became a dedicated guide to her childhood friend.
The current events aren’t happening the way they should be, and they have become so twisted compared to the original novel.
“I can’t believe it.”
She was just a supporting character who tormented the Female Lead and then died from the Male Lead’s hands.
Yet, it is undeniable that Yernia is his guide from the pieces of evidence he had gathered so far!
Yena tried to stop herself from marrying her childhood friend, but it turned out she had no choice.
However, unlike Yernia, who thought about divorcing him after being his guide for a little bit until the female protagonist arrives, Cassian seems to be serious about this marriage for some reason.
Even…
“I just can’t calm down today.”
“You need more. Huh?”
Guiding requires more contact.
Well, is this what guides must do?
It felt strange, but the most bizarre thing to Yena was herself.
Why is her heart shaking so much?
The childhood friend, who she used to only see as a younger brother, begins to appear as a man.