愛になるまであと何日？～偽装婚約のはずなのに、上級騎士になった幼なじみが溺愛してきます～

"I've come to pick you up, my fiance." Lily Rose, whose fiance has gone to the royal capital and never returned, is being talked about by everyone as having been abandoned. One day, her fiance Noah, who has become a knight, comes to pick Lily Rose up. Even though it was supposed to be a contractual engagement, Noah has become very doting on her!? However, it seems that Noah has a plan behind this engagement...! A love story of a high-ranking knight with a complicated love affair and a positive, fallen young lady!