Torii Hidemitsu is the CEO of PEACOCK. He's referred to as 'Boss'. He's usually always found with a cigarette. He's also Ryou and Ayaori's father. All three of their surnames are different because Hidemitsu took Ayaori in when his real parents died in a car accident. When Ryou was born Hidemitsu had his wife's surname, but changed it later on. Hidemitsu also has a gift similar to Fujimaru's. His wife is Yoko Oka.
A young man who finds Atsuki sleeping in the snow one day, tired out from preparing for high school entrance exams. Despite his illness keeping him from attending school, Kai is quite intelligent and resolves to tutor Atsuki, growing closer to her in the process. He promises to meet her at the school the day Atsuki finds out the exam results, but never shows up. Atsuki learns later that Kai's illness was more serious than he let on, and his absence was only due to his untimely death. Beforehand, he asked Takami, his younger brother, to take care of Atsuki if the worst should happen.
Toshiki is a robot who masquerades as Riiko's love from elementary school, Toshiki Murakami. He is part of a second series of Nightly Lovers who competes with Night to see who can first succeed in seducing Riiko and thereby prove superiority of design. Eventually the competition draws to a halt, and, when he next appears, he holds nothing against Riiko or Night. *Wikipedia
Toshiya is a funny and carefree inventor of Kamata company, and he calls himself as the "Einstein's XXI Century". His biggest concern is to create new robots with AI which exceeds his ex-wife may create. He created Sayuri, and he likes pretty girls and animal-shaped robots.
Age:16 Mentality: Special School: Hakoniwa Academy Academic Status: 2rd year, class 10 Affiliation: Zenkichi's Student Council and Sanitized Flask Plan Position: General Affairs Manager Special Ability: Martial Arts She is a member of Zenkichi's Student Council. Torai is very strict and business-orientated, brushing aside the prospect of six missing students in favor of matters more immediately relevant to the academy. She also becomes quite flustered when it appears Zenkichi might ignore his duties as Student Council President in favor of rescuing the six troublemakers. Torai seems to care greatly for hierarchy, insisting that Zenkichi drop the formalities when speaking with her, as he is her superior. Najimi Ajimu believes Torai was a supporter of Medaka Kurokami when she was the superhuman Student Council President, and is less enamored with her now that she has changed. Ten years later, Torai is a bureaucrat. She and Kuudou Hinokage have been searching for Kumagawa, though without success. (Source: Medaka Box Wiki)