My Happy Marriage (Manga) Series by Akumi Agitogi, 顎木あくみ

異能の家系に生まれながら、その能力を受け継がなかった娘、斎森美世。能力を開花させた異母妹に使用人のように扱われていた。親にも愛されず、誰にも必要とされない娘。唯一の味方だった幼馴染も異母妹と結婚し家を継ぐことに。邪魔者になった美世は冷酷無慈悲と噂される久堂家に嫁ぐことに…。

はじめて知った、人の“やさしさ”…。異能の家系に生まれながら、その能力を受け継がなかった娘、斎森美世。親にも愛されず、誰にも必要とされない彼女は、冷酷無慈悲と噂される、同じ異能を持つ家系の久堂家に嫁ぐことに。贅沢からは程遠い、名家の令嬢らしからぬ美世の様子に、当主の久堂清霞は興味を惹かれ、やがて美世を大切に想うようになる。けれど、異能の才のない美世は、嫁としての資格がなくて…。和風ファンタジー×嫁入り。奇跡のシンデレラストーリー。

For failing to inherit the boon of unusual power that is the Saimori birthright and bringing shame to the family name, mistreated Miyo is cast out to become another's problem.Sent to the Kudo clan—itself preternaturally powerful—as a potential bride for its heir, Kiyoka, Miyo is surprised to experience kindness for the first time in her thus far sad life.Though the rumors make him out to be cold and haughty, Kiyoka Kudo quickly warms up to the Saimoris' eldest daughter... moreFor failing to inherit the boon of unusual power that is the Saimori birthright and bringing shame to the family name, mistreated Miyo is cast out to become another's problem.Sent to the Kudo clan—itself preternaturally powerful—as a potential bride for its heir, Kiyoka, Miyo is surprised to experience kindness for the first time in her thus far sad life.Though the rumors make him out to be cold and haughty, Kiyoka Kudo quickly warms up to the Saimoris' eldest daughter. Intrigued by the girl who stands worlds apart from the spoiled, social-climbing women who usually vie for his hand, Kiyoka soon comes to regard Miyo with affection.Just as Miyo believes she may have found happiness at last, her jealous half sister, Kaya, kidnaps her and locks her in a cellar. Kaya's eyes are red with rage as she declares her intention to dissolve Miyo's engagement to Kiyoka and replace Miyo as his fiancée herself! Will Kiyoka's supernatural abilities deliver her from Kaya's clutches in time? less

A Cinderella-inspired, slow-burn historical romance with a paranormal twist set in Taisho-era Japan!A browbeaten and mistreated daughter is cast out of her home and sent to audition as a bridal candidate for the heir to one of the most powerful families in the land…Miyo Saimori, the eldest of her clan and yet unblessed by the supernatural talent that graced her father and half sister, is sent off to marry into the Gifted Kudo clan... moreA Cinderella-inspired, slow-burn historical romance with a paranormal twist set in Taisho-era Japan!A browbeaten and mistreated daughter is cast out of her home and sent to audition as a bridal candidate for the heir to one of the most powerful families in the land…Miyo Saimori, the eldest of her clan and yet unblessed by the supernatural talent that graced her father and half sister, is sent off to marry into the Gifted Kudo clan. The young and aloof clan leader, Kiyoka Kudo, finds himself intrigued by this girl who stands worlds apart from the spoiled, social-climbing women who usually vie for his hand. All too soon, Kiyoka comes to regard Miyo with affection.Kiyoka and Miyo make their engagement real and official, but Miyo still worries she lacks the training to be a wife worthy of the Kudo clan. Enter Kiyoka’s older sister, Hazuki, who takes it upon herself to tutor Miyo—and tease Kiyoka along the way!Suddenly, Miyo and Kiyoka encounter a mysterious man named Arata Tsuruki. What does he want, and what connection does he have to the enigmatic and powerful Usuba clan that Miyo’s mother hailed from? less