Not So Shoujo Love Story manga volume 3 features story and art by Curryuku.

Valentine's Day has arrived at Koko High, and for the first time, Hanna is looking forward to the holiday as she works on a surprise gift for Rei - but her suddenly secretive behavior leaves a confused Rei turning to Susan for advice. Heartfelt confessions and emotional reveals abound, but will Rei get the Valentine's Day of her shoujo manga dreams, or will she somehow end up partnered with a chicken mascot?!