Koyuki route is in S not A, and is one of the last story focused routes in it. Pun-Kun said he would finish the story routes eventually. Takae route also, which is VERY short. Heard he got a job right after he started Koyuki, so that's why the progress is slow, but at least it's there.
Also S is like near 75% translated, considering whats left after Koyuki and Takae are multiple joke routes / short H-afters for the original games routes. Remember, Tsubame route was the longest of the game, so that should give an idea about everything else.
A isn't being translated by Wairu, SayakaTL has
