I guess i wanted to try something new, so I subbed something for the first time. Something only few dared to sub before me. And here it is.
.ass if you already have the .mp3
all-in-one .mkv ready to play with a subtitle-capable player (like mplayer with libass or newer releases of vlc)
All chores around subbing by Akari and Alice.
Also check out Tortoise Fansubs for Origination CD 3, Navigation 1 and Sketchbook Picture Drama subs for Natural CD 1, Navigation 4. These are the only other translations of the drama CDs I know of. Do you know more? Please let me know.