Monochrome Factor is a tV series anime that premiered in spring 2008, produced by A.C.G.T..

About the production: the story comes from a manga, there are 24 episodes of about 24 minutes and its current status is "finished".

Its main genres are action and supernatural, with themes such as Male Protagonist, Slapstick, Shoujo and Urban Fantasy.

On AniList, Monochrome Factor has an average score of 62%, an average score, and appears on 8,472 users' lists.

The story revolves around high school student Akira Nikaido, a typical slacker living a normal life. That is, until he meets the mysterious Shirogane, a man who suddenly appears and tells him that they have a destiny together. When Akira hears this, he is shocked and doesn't believe a word of it. Aya, a friend of Akira, forgets something in the school one night, and asks Akira to help her and go find it. He agrees, and while there, he gets attacked by a shadow monster. Shirogane convinces him that the balance between the human world and the shadow world has been distorted and that Akira must become a "shin"- a creature of the shadow world- in order to help restore the balance. The anime has shonen-ai themes which are completely absent from the manga. (Source: Wikipedia)

Official synopsis from AniList.