Mao Mao, a girl who works as a pharmacist assisting her adoptive father, a doctor, is kidnapped and sold to the palace as a servant girl. For a while, she works discreetly as a servant girl, but when she solves a mystery about the prince's weakening, she catches the attention of a eunuch and is forced to help him solve various cases.
In the distant future, humans who have devastated the earth create people with special abilities through genetic manipulation. This is the International Peace Corps, headed by the special forces unit Nijigumi. One day, No. 5, a member of the Nijigumi, escapes from the Nijigumi, taking a woman, Matryoshka, with him. Following the old rule that "when a member of the Niji-gumi causes an incident, the other members must pursue him alone," the other members chase after No. 5, but his pursuers are defeated by the excellent sniper No. 5.
One day, Light, a brilliant high school student, picks up a strange black notebook on the grounds of his high school. It was a Death Note dropped by the Shinigami (God of Death), which states that the person whose name is written in the notebook will die. Light uses the Death Note to eliminate criminals in order to create an ideal world without crime. Meanwhile, Interpol asks L, the world's most brilliant and mysterious detective, to investigate the case. An intense psychological and brain battle unfolds between Light and L.
This is a detective action manga set in Iceland, where a 17-year-old boy, Kei, lives with his grandfather, Jack, after his parents die. Satoshi has a strange ability to communicate with machines, and he uses this ability to do detective work, searching for people and things. One day, he loses contact with his younger brother Michitaka in Japan, as well as with his uncle, who has been taking care of him, and discovers that the uncle and his wife have already passed away. Michitaka, on the other hand, turns out to be headed for Iceland.
Ruka is a junior high school girl who is not good at expressing her feelings. During summer vacation, feeling uncomfortable at home and at school, she meets two boys, Umi and Sora, at the aquarium where her father works. They were raised by dugongs. At the same time, a meteorite fell into the ocean, and the world was experiencing a number of phenomena in which fish with "white spots" disappeared as light. This encounter between the boys and the girl brings about a mysterious change in the sea creatures of the earth.
Satoru has a special ability that he calls “revival”. Revivals are triggered regardless of his intentions and allow him to repeatedly time jump to the scene immediately before a "bad thing" (incident, accident, etc.) until the cause is removed. One day, a revival occurred while he was shopping with his mother Sachiko, resulting in the prevention of a kidnapping. However, Sachiko is murdered the next day by someone. Satoru strongly believes that he will be able to trigger the revival and prevent Sachiko's murder, and he is sent back to his boyhood through a time leap that is longer than he has ever experienced before.
One day in 1986, Kenzo Tenma, a doctor working in Germany, performed an operation on a seriously injured Johann Liebert. Although the operation was successful, he was removed from the career track because he ignored the orders of the director to perform the surgery. Later, the director and others are suddenly murdered by Johann. When Kenzo realizes that Johann is involved in many more murders, he feels a strong sense of responsibility and wonders in anguish if, by saving Johann's life, he has unleashed a heinous criminal on the world. Kenzo then decides to quit his job as a doctor and pursue Johan alone.
