Mikadono Shōgo, the son of an industrial magnate, has until the end of high school to find a girl he loves for marriage because of... more>> his late father's last will. For that, he transfers into Miryuuin Academy. Among the students there is a girl who says that she is Shōgo's separated-at-birth sister, but she does not inform him of her identity. She and some other girls then try to get close to him. <<less

Hatate Souta is a high school boy, who has an ability to visualise "flags" for future events such as "death flag," "friendship flag," and "romance... more>> flag." Despite the flag-viewing ability, he avoids making friends with others due to a trauma he experienced in a ship submergence accident. Twelve beautiful girls get interested in his strange way of living, and they begin to live with him at the school dorm. <<less

"The Demon King two generations ago was stabbed by the Gryffin Kingdom's Hero using the legendary sword 'Enheria' in the heart and died."... more>>

"The previous generation's Demon King was sealed by the Ymir Kingdom's Hero using the legendary Taboo 'War God's Lock' for fifty years and eventually died after his vitality faded."

"Sounds amazing. What about this generation's Demon King?"

"This generation's Demon King...was killed by Hero Alice using panties." <<less

Leo, a young scrooge who loves money more than anything, unexpectedly had his body swapped with a beautiful young girl who had unusual circumstances named Leonora.... more>>

Leonora was the young daughter of a fallen marquisate family who, in the past, were driven out of noble society by false charges. Now, by various circumstances, she was to attend the academy for young nobles. Since she didn’t want to, with black magic she tries to escape her fate.

Offering a gold coin as compensation, Leonora lured Leo into going to the academy in her place.

Leo, now "Leonora," had only planned to show her face at the academy before fleeing. However, with unmatched beauty and peculiar values, "Leonora" got herself mistakenly known as a “pure maiden” who attracted the attention of not only a marquisate couple and the imperial princess, but even the first imperial prince of the empire.

This is the story of Leonora von Harkenberg who would later be known as the「Altruistic Saintess」. <<less