A second-year design student at Aida Prefectural High School, Mouri navigates a daily life so unremarkable that nothing particularly noteworthy ever seems to happen. Despite being enrolled in the creative atmosphere of Class 6 of the design department, his youth is depicted not as a vibrant spring but as a hazy, gray existence. The narrative follows Mouri through the mundane rhythms of school life, where the comedy arises not from grand events but from the subtle absurdities and relatable monotony of a student who feels disconnected from the energetic promise of youth. The story progresses through the uneventful days, lectures, and student interactions that define his reality, painting a portrait of a young man for whom nothing extraordinary ever seems to occur, yet who continues to live through the quiet, unspectacular moments that make up his world.