Katabutsu Gunjin no Ryouen: Sassato Kozukuri wo Oete Rikon Shitai no ni, Maiban Kioku ga Tobohodo Aisareru node Komatteimasu

In a world where the "Marriage Control Law" dictates that everyone must marry a partner chosen by the state, commoner Rosina is to marry Captain Klaus Arendt, a nobleman and renowned military officer! Rosina's dream is to build a warm and loving family. She wants to obtain the privilege of "free love," granted only to women who have given birth, and quickly conceive a child with Klaus to find true love... But what awaits her is a newlywed life where she is loved so intensely every night that she loses her memory!? (Source: Kadokawa, translated) Note: Includes two extra chapters.