"Not Ready!? Sensei" is a romantic comedy manga that centers on the relationship between a young, inexperienced teacher and his students, particularly focusing on the dynamic with one student who harbors feelings for him. The protagonist, a newly appointed high school teacher, struggles with his lack of confidence and inexperience in both teaching and handling personal relationships. His awkwardness and earnest efforts to connect with his students form the core of the narrative.

The story introduces a female student who develops a crush on the teacher, creating a complex and often humorous dynamic. The student’s bold and straightforward approach contrasts sharply with the teacher’s timid and uncertain demeanor, leading to a series of comedic and heartfelt interactions. The teacher’s attempts to maintain professionalism while navigating the student’s advances highlight the challenges of his role and the blurred boundaries in their relationship.

Supporting characters, including fellow teachers and other students, add depth to the story by providing different perspectives on the central relationship. The manga explores themes of youth, responsibility, and the complexities of human emotions, balancing lighthearted moments with more serious undertones. The progression of the story focuses on the teacher’s growth as he learns to balance his professional duties with his personal feelings, while the student grapples with her emotions and the realities of their situation.

The narrative maintains a steady pace, blending humor, romance, and occasional drama to create a compelling and relatable story. The interactions between the characters are central to the plot, driving both the comedic and emotional elements of the series. "Not Ready!? Sensei" offers a nuanced portrayal of the challenges and rewards of teaching, as well as the complexities of relationships in a school setting.