Nonkuro is a dog-like-alien that comes to Earth for no apparent reason whatsoever but only to meet boy named Riki. For a Knack's animation Nonkuro is very visionary and high-quality animation compared to the other works released on the Anime Kingdom -DVD. However, Nonkuro falls into Knack's usual problems by favoring violent scenes and weird face details. Also, it looks like Nonkuro was heading into a real story, like Akira and Taromu (leaving a cliffhanger to the end), but only getting no continuation. Nonkuro was released to the public in the format of DVD, but the real production time is still a mystery. Nonkuro has possibly beendone at the same time as Knack's Sue Cat in 1980, both having similar drawing style