Makoto is an attractive and fashionable young woman, with long black hair, a slim build, bright eyes (the result of contacts), and a beauty mark below the left side of her mouth. Usually exhibiting an earnest look and a charismatic smile.
She has a strong resemblance to her brother.
Makoto is an intelligent, independent, and studious woman who possesses a strong determination towards her goals. She is generally kind and pleasant, but always knows how to get her way and isn't afraid to do some slightly underhanded methods to reach them. She appears to be popular and quite social and generally gets along with just about anyone she meets. By and large, she appears to be an average Japanese university student. Shoko Haimawari, Koichi's mother, considers Makoto to be the ideal daughter-in-law and completely out of Koichi's league.
When it comes to organizing and leading groups there isn't really a better ally to have then Makoto. She is very good at getting people to work together, and while a bit manipulative, she tends to make things better for everyone involved. She practically running Captain Celebrity's PR department and helps manage the event where Pop☆Step makes her stage debut.
Makoto also has a rebellious personality. She is quite predisposed to challenge the rules and the authority (although never without committing anything illegal). According to her brother Naomasa, she has always been like this since she was a child, breaking the rules and promises when it suits her and tries to talk her way out of it, and this attitude has caused some disagreement between the siblings.
Detective Skills: Makoto is shown to be proficient in gathering information.
Polygraph (嘘発見器, Porigurafu): Makoto's Quirk allows her to monitor a person's physiological signals by touching them, allowing her to determine whether or not someone is lying. However, she can't detect a lie if the person is relaxed or if the person in question doesn’t believe they’re lying.
- Makoto bares some resemblance to DC comics' Lois Lane, sharing Lane's determination to uncover the truth and tendency to attract trouble. Makoto is also associates with a Superman-like figure.
- Makoto's name "真" (lit. truth, reality, genuineness) refers to her Quirk.
- Makoto also shares her birthday with Pankration.