Ever since the quiet and timid Reina Aharen enrolled in high school, she has made new friends and even started dating her classmate Raidou. When the two begin their second year, everything seems to be going well, as they are seatmates once more. Soon after, a transfer student named Riku Tamanaha joins their class. Unbeknownst to Reina, the outgoing and stylish girl is actually a childhood friend she separated from years ago. With Raidou's support, Reina is able to rekindle their friendship. Although they have grown closer, Raidou and Reina still struggle to communicate due to his overactive imagination and her difficulty with expressing herself. Nevertheless, the eccentric couple continues to brighten up the lives of people around them as they enjoy each other's company to the fullest.

On the day before her downfall, Lady Tiararose Lapis Clementille recalls that she is in an otome game that she had once played in her former life. She used to adore the main love interest Prince Hartknights Lapis-Lazuli Lactomuth, but unfortunately, she was not reincarnated as the heroine, but rather as is his worst enemy—the villainess fiancée. At their graduation ceremony, without blinking an eye, Hartknights condemns Tiararose for alleged crimes, breaks off his engagement, and proclaims the heroine Akari as his new bride-to-be. No matter whether Tiararose is innocent, he banishes her from the kingdom. But before her sentence can be carried out, a shocking figure appears. Aquasteed Marineforest, the prince of a powerful neighboring country, has been harboring feelings for Tiararose for quite some time, and announces his intention to marry her! Adored by the prince of another kingdom, what awaits the villainess on her path to a happy ending?

The story follows the strongest king in history, Grey. Although he possesses unparalleled power, wealth, and fame, there is no one who stands by his side…and he trusts no one. One day, Grey suddenly meets his death and is reincarnated as a powerless infant named Arthur in a world of magic. Surrounded by a loving family and companions, Arthur starts to experience joys in this new life that he never knew in his previous one. However, during a journey, his family is attacked by bandits... Thus begins his second life, filled with love and adventure!

In a Victorian world of steam, dreadnoughts, and occult horrors, Zhou Mingrui awakens as Klein Moretti. He walks a razor's edge between light and darkness, entangled with warring Churches. This is the legend of unlimited potential...and unspeakable danger.