地味姫と黒猫の、円満な婚約破棄 （コミック） raw 第01-08巻 [Jimi Hime to Kuro Neko No Emmanna Konyaku Haki vol 01-08]

Always compared to her younger sister Marietta, who was known to be a matchless beauty; the “Dull Princess” Selen, the duke’s daughter was brought up with ridicule. Hearing her fiancé say, “I want to make Marietta the Queen”, she decided to break the engagement by herself. With the black cat familiar she borrowed from the “Leader of the Ice Mages”, Viol, she aims for an amicable engagement annulment.