After an unknown virus wiped out all adults on earth, vampires appeared and ruled over the surviving children, treating them like livestock. Yuichiro Hyakuya survived along with other orphans by giving their blood to vampires, until Yuichiro escaped four years ago. Now he is a member of the Moon Demon Company, a unit in the Japanese army dedicated to hunting down the vampires he blames for the death of his family.
Hotaru Tachibana is a girl disguised as a boy. Through strange circumstances she finds herself drawn into the world of survival games by a host, Masamune Matsuoka. The two form a team with ero-manga artist Tohru Yukimura and aim to be the be the best in Japan.
Umaru is Taihei’s little sister who boasts beautiful looks as well as prowess in both school and sports. However, she has a certain secret. She’s a “Himōto” a little sister who is proper in public but lazy at home.
Four girls decide to stay over at school: the energetic Yuki Takeya, the shovel-loving Kurumi, the center of the group Yūri who brings everyone together, and the spacey school adviser Megu. Supposedly…
Shirayuki is a beautiful girl working as a medicine woman with red hair, a color that is considered very rare. When she is proposed and chased after by the prince of her country, she cuts her hair and runs away, only to meet Zen, the prince of a neighboring country. Finding respect for the young man, she decides to serve at his side as his court doctor.
King Il of Kouka, a land said in legends to have been founded by four dragons, has only one remaining heir, a daughter named Yona. She lives a happy life in the palace with her cousin Soo-won, who she loves in spite of her father’s opposition to them marrying. Her life is turned upside down when Soo-won murders her father and steals the throne. Yona, with her childhood friend and bodyguard Hak, must retreat to gather allies and reclaim her place as ruler of the kingdom.
One summer day, a terrorist attack strikes Tokyo. The perpetrators are two boys who call themselves “Sphinx.” The attack was just the beginning of the grandiose game they are playing that will envelop all of Japan.
In the middle of class at a certain school, Rumi Yokoi, a diligent student, has her in-class life turned upside-down when her next-door desk mate “Seki” (full name Toshinari Seki) begins to play by himself at his desk in class. Although Yokoi is irked by Seki’s distracting yet intricate playtime, she finds herself being drawn into his interesting hobby. Never being able to focus, Yokoi observes Seki’s stunning ways of slacking off in class.