|Kanji||赤木 正文（あかぎ まさふみ）|
|Club||Student Council President|
|Friends|| Ryōko Kaji (Girlfriend)|
Masafumi is a fair-skinned teenage boy with long dark-blue hair that has bangs covering the left side of his face, violet eyes and oval-shaped eyeglasses.
Akagi is a passive aggressive lover with a little too much sass, but he is really smart that he and Ryōko Kaji complement each other very well.He is caring as he helps Ryoko Kaji with studies, and very smart as he is the student council president.
Ryōko is Masafumi's tsundere girlfriend whose relationship with her is confusing, but it has a great story to it. He often teases Ryouko, much to her annoyance and their dynamic is pretty cute: she is blushing and he is teasing.
Shinichi is one of Masafumi's friends. It is said by Shinichi that they should never keep secrets from each other, and even hits Shinichi when he finds out that Shinichi had been repeating years and kept it secret from him.