Riku Yasunaga was born on 1994, lives in Agano City. He plays a part in maintaining the park,supporting agriculture,cultivating Shiitake mushrooms in Aozora sorashi-do. He is not good at talking because he has autism and intellectual disability. However he has a talent for painting human cynically, animals in pastel.Portraits which he has painted as artistical art tell us humanity of each. To paint portraits of athletes in Tokyo 2020 Olympic Paralympic Games is his dream.