Through a handheld mirror connected to another world, college student Ichika befriends a boy named Cecil. But when the mirror disappears one day along with her older sister, Karen, Ichika thinks she'll never see the two of them again…until a year later, when the mirror suddenly turns up and sends Ichika to the world on the other side! There, she finds a grown-up Cecil and her sister, who, for some reason, has become a saint named Ichika—?! After Karen has stolen her name and life, Ichika must forge her own destiny in this otherworldly, doting fantasy!  (Source: Yen Press)

After restoring her memories, Samara realizes she's been reincarnated as the villain in her favorite dating-sim game. She also remembers that every road this character takes leads to her death by the age of 16! To rewrite this tragic fate, Samara attempts to get in good with her father, the world's strongest mage. However, her usual selfish antics have made her father grow cold and distant from Samara...! Ever determined, Samara puts in work to win the love and affection of her otherwise cool and standoffish father! Let this grand adventure in reincarnation and strategic planning begin! (Source: MangaPlaza)

There is only one saint in a generation. The twins Hestia and Astrea overturned this rule. However, the only one who can make miracles is Hestia, the older sister. Astrea is looked down upon as incompetent, and is forced to take part in marriage instead of her arrogant sibling; but by chance she meets Silvert, the second prince of the neighboring country, and she ends up getting engaged!? A Cinderella love story between an incompetent saint who dreams of average happiness and a prince who sees through to the truth! (Source: M Novels f, translated)