Two years ago, the death of Naoto Watari's parents left him as the sole caretaker for his younger sister Suzushiro "Suzu" Watari and forced him to move in with their aunt. So devoted is he to Suzu that he refuses to join clubs or even hang out with anyone, earning him snide comments and the title of "siscon" at his new school. But as long as Suzu is safe and happy, Naoto doesn't care what everyone else says. However, his sneering classmates may turn out to be the least of his worries. The sudden transfer of a girl named Satsuki Tachibana brings back traumatic memories from his past—a past she had a hand in making so unpleasant. Nasty secrets, unknown to Naoto, begin to surface with her arrival, threatening his new life.

With the threat of Ursus and Reunion doubling down upon Lungmen, Ch'en, once the city's fiercest defender, renounces her loyalties before Lungmen's Chief Executive Wei Yenwu, revealing herself as Infected and the sister of Talulah, Reunion's enigmatic leader. Cast adrift from Lungmen with an arrest warrant, Ch'en sets out to confront Reunion, convinced that she alone can deliver the reckoning her sister deserves. As Rhodes Island intervenes to prevent total annihilation, Doctor, Amiya, Kal'tsit, and the rest of the team hope to navigate a conflict where the faintest spark of justice may at last ignite Lungmen's rise from its embers.

At the age of 15, Hana Tabata has already made peace with the idea of never experiencing an unforgettable high school romance. Although she likes shoujo manga, flowers, and anything cute, Tabata considers herself a mere background character; she is a little bit chubby, with a round face, glasses, and freckles—all things that would make her conventionally unattractive. But when Tabata accidentally befriends Yousuke Ueno, a warm and charming classmate, things start to change. While she grapples with conflicting feelings about her unexpected new relationship with Ueno, Tabata has yet to realize that the love story she has been dreaming of has already begun.

The Shaderan family has fallen on hard times, and the avaricious and callous baron and baroness will stop at nothing to regain status. They favor their beautiful daughter Anastasia, hoping to marry her into wealth, while they treat the second daughter, Marie, no better than a servant. Years of abuse have convinced Marie that she is truly undeserving of love and attention. On Marie's birthday—used as a ploy to showcase Anastasia—Marie meets Count Kyros Granado, who is immediately charmed by Marie and her knowledge of his culture. Believing Anastasia to be the one he fell for, Kyros proposes via letter. But Anastasia tragically dies on her way to marry him. Forced to take Anastasia's place, Marie becomes Kyros' fiancée, just as he originally intended. Although Marie terribly lacks confidence, Kyros gently helps her find her worth, awakening her to her own beauty and the true meaning of being loved.