Hoshimori Suzu

Hikaru Kurihashi is left on the street after her family's café burns down. She is asked by the wealthy Kenbishi family to pretend to be Kuroda Yasuchika's fiancée as “Yoshiko Kenbishi,” the daughter of an eloped daughter of the wealthy Kenbishi family who is trying to make her way in the Imperial capital, and she ends up playing the role of a double. Hikaru pretends to be Yoshiko and pretends to be Yasuchika's fiancee for the sake of his family. Desperate not to be revealed as a double, she pretends to be a young lady and is doted upon by her fiancé! This is a secret Taisho love romance that begins with a substitution!

Princess Loutier of the Kingdom of Florella, Lou, was called the "Flower Princess" for she had a magical power to make flowers bloom through her song. It was a power that royals of Florella possess, but hers was especially powerful. That is why she was always told not to use her power... it was too powerful that once she harmed someone when she was little. Lou didn't know about love, but she felt happy when Prince Raynaud of the allied kingdom asked her to marry him. However, on the day of the wedding, the Olgan Empire invaded Florella... Lou was captured by Prince Julius, a mysterious masked prince. Lou marries Prince Julius. She wants to hate him... but there is something soft in his heart that she can't ignore. Is this first love? (Source: MangaPlaza)

Princess Loutier of the Kingdom of Florella, Lou, was called the "Flower Princess" for she had a magical power to make flowers bloom through her song. It was a power that royals of Florella possess, but hers was especially powerful. That is why she was always told not to use her power... it was too powerful that once she harmed someone when she was little. Lou didn't know about love, but she felt happy when Prince Raynaud of the allied kingdom asked her to marry him. However, on the day of the wedding, the Olgan Empire invaded Florella...Lou was captured by Prince Julius, a mysterious masked prince. Lou marries Prince Julius. She wants to hate him...but there is something soft in his heart that she can't ignore. Is this first love? . フロレラーラ王国の王女ルーティエは、同盟国王子と幸せな結婚を迎える筈だった。 しかし、挙式当日。突如、敵国であるオルガ帝国に攻め入られてしまう。 フロレラーラ王国を守る為、人質として単身、敵国に連行されたルーティエは なんとオルガ帝国の第四皇子・ユリウスと結婚することに――!?