The original K-Project manga begins serialization, introducing fans to the series' story and characters.
The first season of the K-Project anime premieres in Japan, significantly expanding the franchise's popularity.
The movie sequel to the first season of K-Project, titled Missing Kings, is released in theaters.
The second season of the K-Project anime, Return of Kings, premieres, continuing the storyline from the original series and the movie.
The Red Clan, known as HOMRA, is formed under the leadership of Mikoto Suoh, establishing their territory and influence in Tokyo.
The Blue Clan, SCEPTER 4, led by Reisi Munakata, is established as a group to enforce order and law under the king of blue.
Yashiro Isana, a seemingly ordinary high school student, arrives in Tokyo, unaware of his true identity and connection to the kings.
Yata Misaki and Fushiguro Tatara of HOMRA intervene in a fight involving Kuroh Yatogami, during which tensions between clans escalate.
Following a violent incident called the Massacre at the Sayama Building, Yashiro Isana is accused of being the culprit, leading to a city-wide manhunt.
Yashiro reveals that he is the Silver King, Adolf K. Weismann, the true heir to the throne and a key figure in the balance of the clan powers.
The Red Clan HOMRA pursues Yashiro to protect him, while the Blue Clan SCEPTER 4 seeks to capture or eliminate him, causing significant clan warfare.
After confrontations and battles, the clans reach a tentative peace, and Yashiro survives the conflict, restoring some balance to Tokyo's supernatural order.