Monochrome, the third work in the series, is a love adventure game in a style of a visual novel. You play as Daiki, a young lad who lost his memories since the day his parents died in a car accident. Monochrome is characterized by the heavy background music streaming and by the scenery of Yokosuka City where you can feel different cultures.

Kirioka Taiki lost his memories the day his parents died. The amnesiac young man may have met his savior when he came across the angel in training. In one month, Taiki met with an array of girls who knows bits of his past, talk to them, ask them on dates, get to know them and get to know yourself.