Shinkon Dakedo Kataomoi

I'm going to win you over for sure...!
Satsuki, a smart and beautiful JK, became engaged in a marriage arranged by her parents. Her partner is Kuon, a professional Go player as a high school boy. She thought her life would be smooth sailing with the handsome and talented Kuon, but he turns out to be a super-salty guy! His room is marked "off-limits" and Satsuki's charms have no effect on him... Will she be able to overcome Kuon's reluctance and live her dream lovey-dovey newlywed life? It's a little frustrating, but it's also a little bit sweet! The start of a love battle between the perfect JK and a salt-and-peppery go-boy!
(Source: Nakayosi, translated)
Note: Chapter count includes two extra chapters.