Reiketsu Ryuuou Heika no Unmei no Tsugai rashii Desu ga, Koukyuu ni Hikikomorou to Omoimasu

Adelina, Cinderella's stepsister, is forced into marriage with the nation's beloved "handsome prince" after Cinderella elopes with a wizard instead of accepting his proposal. Though the prince declares, "Even if we marry, I will never love you," Adelina has no objections! He's free to have mistresses or concubines—she plans to live as a decorative queen, enjoying a laid-back royal NEET life in a remote palace surrounded by fluffy companions. However, as she pursues her goal of a peaceful life and an amicable divorce (with a generous settlement), the once-distant prince starts to take an interest in her...!?

Meliarose, the beautiful daughter of the esteemed Maxwell family, has been chosen to play the part of villainess to help bring together the story's hero and heroine, paving the way for a romantic tale that puts all the storybooks to shame. However, try as she may, her "wicked" and "devious" attempts at meddling seem to all but fail, leaving our protagonists no closer to finding true love.

Upon reaching adulthood, Efinia, the fairy princess, is set to have an audience with the Dragon Emperor. However, as soon as she meets Emperor Glendil, it is revealed that Efinia is his "fated mate." Shocked, Efinia overhears the emperor's heartless words, "It's outrageous that someone who looks like a child is my mate." In that case, fine! I don't desire the love of an arrogant emperor! Undeterred by the harassment from other concubines, Efinia thoroughly enjoys her life in the harem. She eventually befriends a small dragon that wanders into the harem, but it seems this dragon has a secret...

Garnet Frazier, daughter of Marquess Frazier, has her engagement broken off by the first prince for selfish reasons. Furthermore, she was ordered to be engaged to the second prince Razulis, who was rumored to be in poor health and confined to his detached palace. Garnet, worried about the future of her country, decides to place Razulis on the throne, but...