TV-Series
Description
Manami Okuda is a student in Class 3-E at Kunugigaoka Junior High School. She is a petite girl with black hair styled into low twin braids that reach just below her shoulders, and she typically wears glasses. Her birthday is November 7, and she stands at 149 centimeters tall.

Okuda is characterized by a shy, timid, and introverted nature. She is notably awkward in social situations and has poor language skills, which often leads her to speak in an incredibly straightforward manner. This honesty makes her easy to trick, as she is incapable of lying. Despite her social hesitance, she is a sweet and deeply determined individual who harbors a strong desire to be useful to her friends and classmates.

Her primary motivation stems from a wish to contribute meaningfully to her class, especially in their collective goal. She is initially very self-conscious about her inability to express herself well and feels inadequate in surprise attacks, which are central to their task. However, her passion for science, particularly chemistry, gives her a unique avenue to support her peers.

In the story, Okuda serves as the class's chemistry specialist. Her role is primarily that of a support and strategist, using her scientific knowledge to create various poisons and chemical compounds for assassination attempts against their teacher, Koro-sensei. While she is not the most physically adept or socially confident student, her intellectual contributions are highly valued.

Key relationships shape her growth. She forms a particularly close and supportive friendship with Karma Akabane, who finds her fascination with making mysterious chemicals amusing. Karma often teases her but also respects her intellect, and their dynamic helps her come out of her shell. She is also deeply grateful to Kaede Kayano, who became her first friend in Class 3-E during a school trip, rescuing her from feelings of loneliness. Okuda also works well with classmates like the studious Takebayashi, whose medical knowledge complements her own, and she collaborates with Nagisa Shiota in assassination plans, where her chemical support aids his stealth tactics. Koro-sensei himself becomes a key mentor, teaching her how to combine her scientific skills with deceptive language to improve her effectiveness as an assassin.

Over the course of the series, Okuda undergoes notable development. Initially withdrawn and socially isolated, her interactions with her classmates and Koro-sensei gradually help her become a more sensible and expressive individual. She learns to communicate more effectively and becomes more integrated into the class's social dynamics, growing from a lonely girl into a confident and valued team member.

Her most notable ability is her exceptional talent in chemistry, which far surpasses that of any other student in the class. She is capable of creating a wide range of poisons and chemical mixtures, and she possesses the specialized skill of being able to draw chemical formulas with a single brushstroke. This expertise makes her a critical asset in the class's mission. Her favorite subject is science, while her least favorite is literature, reflecting her preference for factual, empirical knowledge over linguistic expression.