Akaashi is the former setter and captain of the Fukurōdani volleyball team. He now works as an editor at a publishing company. Akaashi is calm and composed most of the time, usually choosing not to show a wide range of emotions. He is blunt and has a habit of calling people out on the foolish things they do. He is also quite polite and humble but does have a dry humor and sometimes makes witty comments. He is highly analytical but can sometimes overthink, and puts a lot of pressure on himself.