Surrounded by the hate-filled gazes of her people, the selfish princess of the fallen Tearmoon Empire, Mia, takes one last look at the bleeding sun before the guillotine blade falls... Only to wake back up as a twelve-year-old! With time rewound and a second chance at life dropped into her lap, she sets out to right the countless wrongs that plague the ailing Empire. Corrupt governance? Check. Border troubles? Check. Natural calamities and economic strife? Check. My, seems like a lot of work. Hard work and Mia don't mix, so she seeks out the aid of others, starting with her loyal maid, Anne, and the brilliant minister, Ludwig. Together, they strive day and night to restore the Empire. Little by little, their tireless efforts begin to change the course of history, pushing the whole of the continent toward a new future. And why did the selfish princess have a change of heart, you ask? Simple—she didn't. She's just terrified of the guillotine. They hurt like hell, and Mia hates pain more than work.

Based on a children's picture book of the same name. A Christmas tale about a bird who was raised by tree after it was abandoned. The tree was then cut down for people in the city to use for Christmas celebrations. The bird desperately is trying to find its adoptive tree mother with the help of Jeremy, a penniless orphan, who heard her story so they go and search every tree being used in town. The search in the cold takes a toll on Jeremy until Santa Claus appears, but is it really him?

Osamu and Youko Sonoyama want more than anything to adopt every child from Soramame House, but the wealthy couple can only pick one due to their increasingly old age. While they contemplate this delicate decision, one child's alluring beauty and gentle soul instantly draw them in. Two months later, the Sonoyamas welcome 13-year-old Hitori into their warm and loving home. However, Hitori's humble and overly polite exterior is merely a masquerade. In reality, Hitori is a carefully crafted character played by identical twins Migi and Dali. For them, being the ideal child of this kind couple is merely a stepping stone to infiltrating a certain quiet town. While dutifully protecting their cover, the twins work toward their true objective: to discover the truth behind a past incident that left them with a burning desire for vengeance.

Ron Kamonohashi, the best student in the history of the elite Detective Training Academy BLUE, has been living as a recluse since BLUE expelled him five years ago. Moreover, he is forbidden to work as a detective, having barely escaped execution after getting involved in a murder case while he was still attending the school. Ron's situation changes drastically when police detective Totomaru Isshiki, following the advice of a senior colleague, seeks him out for help with a criminal case that has remained unsolved for months. Ron reluctantly agrees to help Totomaru and uses his phenomenal intuition to discover the culprit in less than a day. However, it appears that Ron suffers from a mysterious condition that can cause those around him to lose their lives. To Ron's great surprise, Totomaru manages to save the life of someone whom Ron put in jeopardy. As the unlikely duo starts solving crimes one after another, BLUE sends operatives after its former student to find out if he has resumed investigative work. Fighting against murderers, rogue detectives, and the Metropolitan Police Department, Ron and Totomaru must join forces if they want to survive and see justice prevail.