A university student attending a school in the city of Saku, Akemi is the joint owner of a bar in town she runs with her friend Asuha. Their music group "Z-A" (zed-ah) recently released a new single receiving high praise internationally, even hitting the heights of the music charts.

Her relaxed and mature personality befit her as a medical school student, and her caring nature is expressed well in her relationship with her younger sister Ruri, who is extremely special to her.

Surprisingly, when the topic of conversation turns to her studies, her eyes light up and her passionate side comes out. Her research has something to do with the human brain, and she can be found collecting data on others' song vocals, but what exactly is she investigating?