Is the Friend of a Friend a Stranger?

Read manhwa Is the Friend of a Friend a Stranger? / 친구의 친구는 남인가요?
Was it too much of a wish to hope that the relationship, which is ambiguous from the name, would not be awkward? No, at least there must have been many ways not to face it naked like this. Sylvia Appleton squeezed her eyes shut as she looked at the stocky naked back that seemed to protrude from her mythology.
It has been 10 years since she fell in love with her childhood friend. On the day the childhood friend got engaged to another woman, Sylvia ended up spending the night with her friend’s friend.