Kaishi Yame

Najimi Ajimu

Najimi Ajimu, or Anshin'in as she prefers to be called, has existed for over 3 trillion years before the universe was even created, and 3,402,193,822,311 years by the time of the s

Kouki Akune

Zenkichi Hitoyoshi

The male protagonist, childhood friend of Medaka, and the Student Council General Affairs Manager, reluctantly joining for the sake of protecting Medaka; in the pilot chapter, Meda

Mogana Kikaijima

Mogana Kikaijima is a freshman and later junior of Class 11. She is a member of the Swimming Club, and is later hired as the treasurer for Medaka Kurokami's Student Council.

Misogi Kumagawa

Kumagawa Misogi, commonly referred to as simply Kumagawa, was a nihilist who believed that there is no point to life or a reason why one had to be born. He has absorbed all the neg

Medaka Kurokami

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 h

Youka Naze

The researcher for class 13 and current supervisor of the Flask Plan. While attractive and possessing a strong resemblance to Medaka, she favors concealing her face behind bandages

Hansode Shiranui

Hansode Shiranui is a freshman and later junior of Class -13, originally of Class 1, and Zenkichi Hitoyoshi's best friend

Mogami

Tokemichi Choujabaru

He is a junior of Class 13 and vice-chairman of the Election Management Committee.

Hamaya Hyakuchou

He is a junior of Class 13 and a former member of the Flask Plan's Plus Six. Hyakuchou, along with the other members of the Plus Six, are unknown to Maguro Kurokami, indicating tha

Shoko Kamimine

Kamimine, along with the other members of the Plus Six, are unknown to Maguro Kurokami, indicating that they did not become a part of the Flask Plan until after he left. She is a s

Joutou Kotobuki

She is a member of the Kotobuki family, and was one of the six suitors who took part in the second Jet Black Wedding Feast to marry Medaka Kurokami.

Nashi Kurokami

Momo Momozono

She is a member of the Momozono family, and was one of the six suitors who took part in the second Jet Black Wedding Feast to marry Medaka Kurokami. The de facto leader of Medaka's

Namanie Nienami

Nienami is a language user and was one of the six suitors who took part in the second Jet Black Wedding Feast. To everyone's surprise, Nienami hung around Hanekawa Academy after th

Hanten Shiranui

He is a new transfer student at Hakoniwa Academy. The founder of the Shiranui Household, Hanten is the double of Najimi Ajimu; his status as a Not Equal is a result of this partner

Kudaki Torai