Misaki Nana is a college student who is a member of the Gymnastic Club at Reinan University. She is Minoru's good friend.
Nana Misaki is a teenage girl black hair in which she puts in a ponytail.
Nana Misaki is a kind-hearted young woman who is concerned about her friend Minoru. She seems to have an affection for both Minoru and Ibuki. She is not shy when it comes to supporting her good friend, Minoru, when he is participating in a fight.
She has had a crush on him since the beginning of the series but Kohinata, due to his lack of self-confidence, never bothered to take the relationship further until Misaki Nana decided to go to America to learn how to become a personal trainer.
Later, Kohinata alone drops Misaki Nana at the airport and asks her not to cheat on him when she is in America - further proving that they are now a couple. He promises that he will not lose any match before she comes back after 6 months for a break and also to keep on winning after that.
Later, in the sequel it is revealed that they become a couple, she being his personal trainer. In the final chapter he wants to destroy Ibuki for her.
She is an expert gymnast but even after 3 years studying at Renin University, she could not reach the winner's circle.