Medaka is an incredibly beautiful and talented first year student. She became Hakoniwa Academy's Student President as she managed to get 98% of the student body's support. One of her pledges during her campaign was to set up a suggestion box (which later became known as the Medaka Box), along with her childhood friend Zenkichi, goes out to solve any and all problems that comes through.
She is very confident and isn't ashamed of any part of her body at all. She is extremely intelligent and can understand all her subjects well. She has a positive outlook on everyone and everything surrounding her.
Medaka sees it as her job to enhance the national prestige.

Nami Kusunoki (楠 奈美 Kusunoki Nami?) has the power to freeze water to form any shape she chooses, usually forming it into claws to augment her martial arts, and launching them like bullets to pierce and freeze her targets. Her younger brother, Satoru, was killed by Kanon after he accidentally bumped into her. He was burned to death before Nami's eyes, leading her to hunt down Kanon for revenge.

Shigure is a 22 year old, mysterious person and a slow talker. She is also a master of all types of weapons and believes that weaponry should be seen as an extension of the body: simply relying on the weapons' strength alone will not make you a master of it. She was initially viewed as a loner, often avoiding interaction with the other residents of the dojo, besides Apachai. However, later in the series, she begins to open up to Kenichi and the others, and even partakes in certain daily rituals (e.g. dinner) with them. She teaches Kenichi how to use weapons and also got him past his fear of people using weapons against him.

When the rosary on Moka Akashiya's chest is removed, the seal breaks off & her inner self is awoken. Rated as a S-class monster, the inner Moka is a powerful & ruthless vampire, which is a complete personality from the original kind & sweet-looking Moka. Although she is merciless towards her enemies, she does care for Tsukune, Moka's first friend in Youkai Academy & the only person who can take off the rosary on Moka's chest.

Тя е "медицинска сестра" и има някои бойниумения, но предполагаме, че истинската й работа е свързана с разни не-съвсем-легални неща. Голяма манипулаторка и готин човек.