Ajin: Demi-Human is a Japanese manga series written and illustrated by Gamon Sakurai. It was adapted into an anime film trilogy by Polygon Pictures between November 2015 and September 2016. An anime television series adaptation also by Polygon Pictures aired between January and April 2016, with a second season premiering on October 8, 2016. A live-action film adaptation was released on September 30, 2017.
According to Banner Health, cellulitis and circulation problems, also known as venous insufficiency or venous hypertension, can cause the lower legs to turn red. Circulation problems lead to a variety of conditions that can make all or part of the lower legs turn red, according to the American Diabetes Association.
Common Causes of Red Spots on Legs. 1  Atopic dermatitis-Atopic dermatitis is the most common cause of red spots on the legs. 2  It is usually very itchy, affects children more than adults, and occurs in places where skin meets skin. 3  Atopic dermatitis is common in the bends of the knees or where your socks cover the flesh.