Hm, nicely done. For me though, the Ys experience luckily began with "Ys Book I & II" when my Turbo Duo arrived. Got the ole TTi clearance deal of $99 with the 5 pack-in games. Anyway, NES was great as a kid, but I've never been able to go back and fully play through much of anything on it. The games just look too primitive to me now (with some exceptions, but yeah, generally), the common spoiling effect of influences by modern systems, etc. Anyway, yeah, nice choice of Ys artwork for this thing!
BTW, is there even an English patch for it ? I guess I didn't even know it was released for Nintendo. I knew about Ys III cause of a patch, but I thought that's all there was for that platform/console.