Momoko, known as Momo, is Chizuru's childhood friend and junior high school classmate. She frequently accompanies Chizuru and becomes noticeably irritated when Chizuru interacts with others or if someone sits too close to her.
Momoko invariably ends up in arguments with Saori, who does not hold Chizuru in particularly high regard, whenever they converse.
Main
Makoto is a trans girl who makes her first appearance when she and Shuuichi are in sixth grade, though they are in different classes. Known as Mako-chan, though mostly only to Shuuichi, she too wishes to be accepted as a girl and shares Shuuichi's interes...
Main
Saori, nicknamed Saorin, is a girl who is a fifth grader in Shuuichis class at the beginning of the series. From early on, she takes an interest in encouraging Shuuichi to cross-dress, even going so far as to buy her an expensive dress for her birthday wh...
Main
Shuuichi, otherwise known by her nicknames Shuu and Nitorin, one of the two protagonists, is a young trans girl, who at the beginning of the series, is in the fifth grade of elementary school. Shuuichi is described as cute by many of the other characters,...
Main
Yoshino, the other protagonist, is tall and masculine, and at the beginning of Hourou Musuko is a fifth grader in Shuuichi's class. Otherwise known as Takatsuki-kun by her classmates, she expresses a desire to be male and usually refrains from dressing in...
Supporting
A middle school teacher who looks an awful lot like Chiaki. He makes his come back in Hourou Musuko also as a teacher. He has a wife and one child....
Supporting
Fumiya is a boy one year older than Saori whom she first meets when she starts going to church. He takes an early interest in Saori, and he tries to get to know her better so as to become her boyfriend. Fumiya is a talkative boy whom Saori is easily annoy...
Supporting
Shuichi's and Maho's mother. She is very kind and has a big-hearted, generous nature....
