スラッシュ over 9 years ago I know this is old, but please don't tag with original just because you don't know what this is from. It took some research but these characters are from harukanaru toki no naka de 2, and called Isato and Karin.
スラッシュ over 9 years ago (And they are tagged on Pixiv, so that made my research quite a bit easier...)