"Miseinen Dakedo Kodomo Janai" is a Japanese manga series written and illustrated by Kou Matsuzuki. The story revolves around the lives of teenagers navigating the complexities of adolescence, exploring themes of identity, relationships, and the transition from childhood to adulthood. The series is known for its relatable characters and realistic portrayal of teenage struggles. It captures the emotional ups and downs of youth, making it a popular choice among readers who appreciate coming-of-age stories. The manga has also been adapted into an anime, further expanding its reach and impact within the shōnen genre.