NiKrome

Ichika, a college student, was interacting with a boy named Cecil from another world through a hand mirror she held in her storeroom. One day, her older sister, Karen, suddenly disappeared, and at the same time her hand mirror also disappeared. A year later, as soon as Ichika picked up her hand mirror that she found by chance, she was sent to another world. There was Cecil, who had grown older, and Karen, who had become a saint by calling herself Ichika for some reason?! In a world where her name and memories are stolen by her older sister, a different world doting fantasy opening up for her destiny!Original Web Serialization: ComicWalker, NicoVideo, Pixiv

Samara suddenly regains her memories of her previous life and realizes that she has been reincarnated as the villainous noble girl in the otome game she used to play. She also remembers that at this rate she will surely die at the age of 16 regardless of which route the heroine is on! In order to avoid her dreadful ending full of ruin, Samara tries to get her father, the world's strongest wizard Dee, on her side, but she is treated coldly because of her past selfish behavior...? Undaunted, Samara tries her hardest to win her cool, misanthropic daddy's love for her!