When Keyaru acquired his powers as a Hero who specialized in healing all injuries regardless of severity, it seemed that he would walk the path to a great future. But what awaited him instead was great agony; he was subjected to years of seemingly endless hellish torture and abuse. Keyaru's healing skills allowed him to secretly collect the memories and abilities of those he treated, gradually making him stronger than anyone else. But by the time he reached his full potential, it was far too late—he had already lost everything. Determined to put his life back on track, Keyaru decided to unleash a powerful healing spell that rewound the entire world back to the time before he began to suffer his horrible fate. Equipped with the anguish of his past, he vows to redo everything in order to fulfill a new purpose—to exact revenge upon those who have wronged him.

Siblings Aki and Sora Aoi have been in a secret relationship ever since they confessed their feelings to each other on a rainy day. Sora's twin sister Nami—unaware that his affections lie elsewhere—decides to have him join the Fashion Research Club at school in an attempt to set him up with their classmate, Kana Sumiya. However, Nami's actions mask painful truths. While her motives appear like those of a good sister trying to help her brother finally get a girlfriend, she is harboring secret, forbidden feelings of her own.

In the 1920s, a poverty-stricken 12-year-old girl named Midori resorts to selling camellias in the slums of Tokyo. Midori finds little success until, one day, she is approached by a gentleman who offers his sympathy and aid. When her bedridden mother succumbs to an illness, and with no one else to turn to, Midori visits the man's address. To her horror, she discovers that she has been conned into joining his circus troupe, Aka Neko Za—a traveling freak show consisting of vulgar and deformed performers. Midori compares her new fairground lifestyle to hell. Not only is she responsible for caring for her colleagues and cleaning up after them, but she also is frequently belittled and cruelly abused. Suffering and uncertain of what will become of her, she finally begins to feel at ease when Wonder Masamitsu, a master illusionist, joins the lineup. Smitten by Midori's beauty and innocence, Masamitsu takes her under his wing; but even as their love grows, dark times loom ahead for Midori and her fellow freaks.

Teacher Nano Saikawa hasn't given much thought to marriage, but her father's friend wants her to have a marriage interview with his son, Souichirou Takamiya. After the interview, they spend the day together. As they gradually become more comfortable with one another, Souichirou asks for her hand in marriage. Things quickly heat up between them, and the two wind up in bed together. However, when she removes his glasses, she discovers he is not Souichirou; he is actually one of her problem students, Souji Kuga! Souji's explanation is watertight: when he realized his brother was to be Nano's intended, Souji posed as him in order to be with her. And what's more, he is even confident that his family will approve of their marriage. However, an illicit relationship with a student is the last thing Nano wants. But will she be able to resist his charms, especially when her body begins to ache for his?