A fourteen year old boy named Nattsu suffers from excessive sleepiness that he cannot control. Every time he closes his eyes, he is pulled from the waking world into a cloudy, mysterious dimension populated by bizarre creatures and strange humans. Within this dream world, he is referred to by the peculiar nickname Mr. Dreamnotes. Nattsu must uncover his true purpose in this alternate reality while grappling with a growing, unexplained drowsiness that threatens to consume him. The core conflict revolves around the mystery of why he is being drawn into this state and what role he is meant to play among the inhabitants of the dreamscape. The story is a shonen narrative focused on unique artwork and a central concept of navigating a surreal dream dimension. While the initial chapters establish the protagonist and the ethereal setting of the cloudy dimension, the full scope of his journey and the resolution of why his sleepiness intensifies are detailed across the completed series.