Despite being from a prestigious noble family, Bridget, a failed daughter who made a contract with the weakest spirit, one day had her engagement broken off by the third prince, Joseph. However, no one sympathized with her, who was acting as a proud daughter at the behest of Joseph... At that time, Bridget meets the Duke's son Yuri, who is feared by those around him because of his overwhelming ability and cold personality. Two people who hate each other and repel each other. However, the encounter gradually changes their destinies. This is the story of a villainess who is despised for being incompetent and a villain who is shunned for being a genius who eventually fall in love. --- Despite her noble status, Brigitte contracts with the weakest type of spirit—and on that very same day, the prince publicly breaks off their engagement. No one shows much sympathy towards the once haughty young lady—except for the duke's son, Yuri, who attends the same magic academy. Yuri is feared for his incredible abilities and icy personality, but with him on her side, her fortunes might have changed… --- **Original Web Novel:** [Kakuyomu](https://kakuyomu.jp/works/16816700426830814673), [Syosetu](https://ncode.syosetu.com/n9923hb/)

On days when she is sick, on days when she has a tedious day job, on days when she has regular tests. On days when she is too lazy to go to school, I am called upon. I am a convenient substitute for the body of a girl named Sunao Aikawa, and that is me. I may look exactly the same, but my personality is a little different. I can't go out freely, I can't even make plans for tomorrow, I am a replica whose mission is to work for the original. I was supposed to be a replica, but I fell in love. A very pure and slightly mysterious "love story" that takes place in a town by the sea.

Louise is a noble lady who loves books and magic devices. One day, she suddenly had her fiancé stolen by the very same twin sister she was acting as. After her dream to be a magic device researcher was destroyed, the one to save her was her first love, the First Prince Lucius, whom she was able to meet again! From a book club in a secret library to outings to magic device shops, Louise manages to regain the light in her eyes with the time they spend together. With her feeling her heart beat from Lucius's sweet words, just when you'd think they'd get together in no time, the past that the 'substitute lady' doesn't want to be known becomes an obstacle. “What do you think about this?” (No... I couldn't possibly tell him about that.) On the other hand, Louise’s potential as a researcher is also starting to bloom...? --- Louise, a noble lady who loves reading and researching magic tools, leads a double life pretending to be her twin sister. Suddenly one day, her fiancé breaks off their engagement and chooses to be with her sister instead. All seems lost to her when she also has to give up her dream of becoming a magic tool researcher, but a reunion with her first love, the first prince Lucius, saves her from her misery. As they spend time together reading books in the hidden archives and looking around at different magic tool shops, Louise slowly regains her confidence. On top of that, her heart flutters every time unconsciously sweet words leave the prince's mouth. The mood is perfect and it seems like it's seconds before they can finally be together, but the past she wants to keep hidden gets in the way. "How...do you feel about me?" (He asks, but... I can't do it. I can't tell him.) Meanwhile, her potential as a researcher begins to blossom and leads to... A true love fantasy full of misunderstandings between a magic tool-obsessed noble lady and a stoic older prince awaits!