Gabriel Dropout
for Mira's pets & co.

Which one?

Files

More info

on Wikipedia (has a plot summary for each episode)

on aniDB

Receipts

The fansubs were sourced from https://nyaa.si/view/972801 (magnet). I have no idea who originally made them, but there's some fun metadata in the ASS files: 

[Script Info]
; Script generated by Aegisub 3.2.2
; http://www.aegisub.org/
[Aegisub Project Garbage]
Last Style Storage: Default
Audio File: D:/My Document/Download/[Onamynuos] Gabriel Dropout (01-12 + OVAs) (BDRip 1920x1080 x264 FLAC)/[Onamynuos] Gabriel Dropout - 01 (BDRip 1920x1080 x264 FLAC).mkv
Video File: D:/My Document/Download/[Onamynuos] Gabriel Dropout (01-12 + OVAs) (BDRip 1920x1080 x264 FLAC)/[Onamynuos] Gabriel Dropout - 01 (BDRip 1920x1080 x264 FLAC).mkv

which tells that the subtitlers were using this nyaa.si torrent (magnet) which says "... I took Horriblesubs ..." so clearly they started from horriblesubs (which is just a rip from official sources, in this case probably crunchyroll) but it's not just horriblesubs, because there's comments: 

Dialogue: 10,0:00:29.02,0:00:32.34,Default,,0,0,0,,There, you will experience the\N joys and sorrows of human life.{could be a bit long}{There, you will see firsthand how humans truly are.}{this might imply they're bad idk}{maybe reword completely like "There, you will be able to experience human beings firsthand."}{wait, that's weird too.}{There, you will experience the joys and sorrows of human life.}{Like that?}{yeah, that's good.}
Dialogue: 10,0:00:32.34,0:00:37.22,Default,,0,0,0,,I pray from the depths of my heart that you will return as mature and accomplished angels.{"mature and accomplished" instead of "full-fledged"?}{sure}
Dialogue: 10,0:00:46.07,0:00:48.94,Default,,0,0,0,,If you're ever lonely,\N you can come visit me anytime.{The foreshadowing.}
Dialogue: 10,0:03:19.21,0:03:20.72,Default,,0,0,0,,ASL?!{change if TS changes}
Dialogue: 10,0:07:02.09,0:07:04.81,Default,,0,0,0,,{\i1}You{\i0} couldn't lead an {\i1}addict{\i0} into temptation.{actually you definitely can but she means something more specific}{You couldn't tempt an /addict/ away (from their addiction).}{I was thinking this more along the lines of "an alcoholic into a brewery". Vigne's so bad at her job that she couldn't tempt an addict into wanting their addiction.}{oh, I was under the impression it was a general statement, not one about Vigne}
Dialogue: 10,0:07:13.72,0:07:15.39,Default,,0,0,0,,Maybe I'll humor her{ and go}.{"and go" might make the line too long.}
Dialogue: 10,0:07:21.09,0:07:22.89,Default,,0,0,0,,{\i1}Walking's a pain in the butt.{lmao}
Dialogue: 10,0:09:38.37,0:09:39.84,Default,,0,0,0,,And it's still full!{literally worse than satan}
Dialogue: 10,0:13:16.73,0:13:19.87,Default,,0,0,0,,Automatic updates suck.{looking at you, Win10}
Dialogue: 10,0:15:07.53,0:15:08.21,Default,,0,0,0,,You're going to clean.{punctuation was wrong and it irks me so this can be alpha timed instead}
Dialogue: 10,0:16:11.10,0:16:13.45,Default,,0,0,0,,Don't give me that look.{LOL}
Dialogue: 10,0:17:37.99,0:17:40.99,Default,,0,0,0,,I tried acting more demonic \Nby causing trouble for others.{okay she's fucking perfect}
Dialogue: 10,0:18:07.69,0:18:09.69,Default,,0,0,0,,{\i1}Now {\i0}this{\i1} looks amusing!{BEST. GIRL. BEST. GIRL. BEST. GIRL. BEST. GIRL.}

Dialogue: 10,0:15:08.78,0:15:11.55,Default,,0,0,0,,{\i1}There must be something I can do to reinspire her.{to leechers reading the script, yes. reinspire. webster agrees with us}

The blu-ray was sourced from https://nyaa.si/view/1054995 (magnet)

The episodes are encoded on the blu-rays as one continuous stream (per volume) of four episodes, with chapter markers. I split them on the I-frame closest to the chapter marker because this allows for a "perfect" remux and made the subtitles I already had line up exactly.

The vp9 videos were encoded with ffmpeg two-pass with the following options:

The remuxes were much simpler: