そして花嫁は恋を知る (ソシテハナヨメハコイヲシル)

A shoujo book series written by Oda Natsumi / 小田　菜摘 (オダ　ナツミ) and published in "Cobalt Bunko":http://cobalt.shueisha.co.jp/. The cover art is by [[Shiina Satsuki]].
soshite hanayome wa koi wo shiru