Rintarou Suna is a quiet, passionate, and shy volleyball player. Rintarou is proven to be very analytical when it comes to sports and very passionate towards volelyball, he is very passionate about his loved ones. Rintarou Suna is a shy individual, not talking to anyone else other than his loved ones. Rintarou is known as being introverted and a wallflower. Rintarou is also known to be very competitive to volleyball.