Junichirou Kagami, a young physicist and self-proclaimed otaku, has abandoned his scientific career due to YD, a condition that forces him to only pursue activities he's passionate about. He uses this condition to his advantage by maintaining an anime blog and gets hired as a high school physics teacher. His sister Suzune, who's grown tired of his NEET lifestyle, insisted he take the position. As a teacher, Junichirou focuses on providing his students with life lessons, such as acceptance, friendship, and finding purpose through his own unique experiences.