Summary
Kouji Miura’sBlue Boxrecounts the story of Taiki and Chinatsu, two high schoolers, as they deal with the challenges of chasing their dreams while balancing their budding romance. The manga explores recurring pop culture themes like coming-of-age, ambition, the complexities of young love, and the pursuit of dreams.
Kouji Miura’s beloved series introduces characters from diverse backgrounds, each with their own aspirations, who are desperate to find their place in the world. Here are thebest characters in theBlue Boxmangabased on their personality, the value they add to the overall narrative, and their contribution to the development of the story.

8Karen Moriya
Ayame’s Older Sister
Karen Moriya is the older sister of Ayame who also happens to be a close friend of Chinatsu. She used to attend the same kindergarten and elementary school as Kano, and the two have known each other since then.
Karen is a talented young adult with big dreams, and she currently works as a model. She is dating Kengo Haryuu, and though she may not stand out as much as otherBlue Boxcharacters, she is arguably still among the best.
7Akari Hyoudou
Shota Hyoudou’s Younger Sister
Younger sister of Shota Hyoudou, Akari is an industrious student who attends Emei Senior High. She plays for the badminton team but prefers to keep to herself.
Akari is quite clumsy, as she is often lost in her thoughts and does not pay enough attention to her surroundings. She’s a fun addition to the cast, easily making her one of the most enjoyable characters to learn about in theBlue Boxmanga.
6Ayame Moriya
Boy’s Badminton Club Manager
Ayame Moriya is an eccentric teenager who enjoys playing matchmaker and is known to show great interest in other people’s love lives. She likes to live life in the moment and has an infectious enthusiasm that rubs off on everyone around her. She is not afraid to speak her mind, often sharing opinions boldly, without the fear of being judged.
Ayame is dating Yuto Takasago and is also the younger sister of Karen Moriya. Althoughshe is a background character, her lively personality adds a striking vibrancy to theBlue Boxmanga’s narrative.
5Kengo Haryuu
Taiki’s Senior Who Inspires Him To Excel
Kengo Haryuu is a third-year student at Eimei Senior High and also one of the best badminton players in the school. He is a confident and driven young adult who believes in himself and is willing to push for his dreams. Kengo gets acquainted with Taiki through the badminton club, and the two soon start competing together.
Haryuu, being the senior, helps Inomata improve his game by training him personally and offering valuable insights about the game. Kengo’s girlfriend, Karen Moriya, is in show business and isjust as ambitious as him.
4Kyou Kasahara
The Pragmatic Member Of The Badminton Team
Unlike his best friend Taiki, Kyou Kasahara is a level-headed thinker who takes a pragmatic view of circumstances and approaches problems with an analytical mindset. He is also a member of the badminton squad and is a dependable team player.
It’s not bad having one person telling it like it is.
Kyou is a great friendwho genuinely cares for his peers and is always looking after them. Whenever he can, Kasahara goes the extra mile for Taiki to ensure that he is at his best both on the court and in his romantic endeavors, offering guidance in his own way. However, since Kyou looks at the bigger picture and believes in handling things realistically, he can sometimes come off as rude or harsh.
3Hina Chouno
Taiki’s Close Friend Who Ends Up Harboring Feelings For Him
Hina Chouno isa member of the Rhythmic Gymnastics clubat Eimei Senior High. She is also regarded as one of the best gymnasts in Japan in her age group.
Although she is not as hardworking as some of her peers, Hina gets things done when she puts her mind to it. Chouno has been good friends with Taiki and Kyou since Junior High but eventually ends up developing feelings for the former.
2Chinatsu “Chii” Kano
The Promising Basketball Player From Eimei Senior High
Chinatsu isa dedicated basketball playerwho puts the sport above everything. She is at the court before everyone else and is putting in the extra hours in the hope of winning at the national-level competition. Even when faced with the tough choice of living without her family, Chinatsu shows remarkable clarity of thought and decides to stay with Taiki’s family to pursue her dreams.
My words weren’t meant to cheer Taiki up. I was just broadcasting my own insecurities. And I feel bad about that.
Chinatsu is also mature beyond her years and deals with challenges in her life with a strong sense of responsibility and wisdom. After she starts developing feelings for Taiki, she does not attempt to rush into a relationship; she keeps her focus on her goals while their romance naturally matures over time.
1Taiki Inomata
The Driven Badminton Player And Compassionate Friend
Taiki is the vice-captain of the badminton team at Eimei Senior High. He has a deep passion for the sport and is willing to put in the hard yards to play at the highest level. Taiki may not be naturally gifted, but he manages to surpass all hurdles in his path when he sets his mind to achieve a goal, driven by his stubborn nature. His determination sets him apart from his peers, who lack the same level of persistence.
Outside the court, Taiki is a dependable friend who is always there for people he cares about. Even when Hina falls for him, and he has no intention of dating her, Inomata tries to handle the situation as maturely as he can. Taiki is kindhearted and considerate, striving for the interest of those around him above his own. Inomata is currently dating his inspiration, Chinatsu Kano.