Actually, look at http://yukkuri.shiteitte.net/post/view/1138 . The fully shown yukkuri is definitely a ko, the remirya looks normal sized, but the other yukkuri is huge compared to it. This artist probably just sucks at maintaining size comparisons. Well I deleted the tag from some of the images already. If someone else thinks that it's supposed to be a dosu, they can add it back.