"Boku to Misaki Sensei" is a popular Japanese manga and anime series that has gained a significant following worldwide. The title, which translates to "Me and My First Girlfriend" or "My First Girlfriend is Boku's Classmate," revolves around the story of Umetarou Nozaki, a high school student who becomes involved with his classmate, Chiyo Sakura, who confesses her love to him. The series explores themes of first love, friendship, and the complexities of relationships.