These small manga-like specials were released with each volume. I put them all in one file. Video: Same as usual, I'm going to stop writing this.
Audio: AC3, 192 kbps
Subtitles: edited R1 subs styled like Chihiro's BD release.
I've had Nurse Angel Ririka SOS finished for a year... and I forgot. It's been done for a year, just waiting for me to watch the episodes to check for any glaring errors. And I forgot about it... because I put the folder in the wrong place.