This is the twenty minutes that makes Babylonia hurt later, and it knows exactly what it's doing. It hands you Mash Kyrielight and Romani Archaman before the Seventh Singularity, back when Chaldea is still just a workplace with a doctor who won't take anything seriously, and it lets the animation do the emotional heavy lifting. Reviewers keep circling back to how good it looks, and they're right: for a Fes. 2019 giveaway that lived on the mobile app for one week, the craft is absurd. Fair warning, this is not a doorway. It assumes you've cleared six chapters and already know why Roman's cheerfulness reads as a mask, and if you haven't, it's just nice-looking people talking. But if you have played that far, this is the calm before the rayshift, and you will notice every line differently on rewatch.

The year is 2010, and Romani Archaman has just been assigned to Chaldea, where he becomes the main doctor for a young girl. Mash Kyrielight, the second successful result of Chaldea's summoning experiments, is curious about the word "Senpai". Through their time together, Mash begins to find something to hope for, and that hope starts to spread outward. The single special episode looks at the backgrounds of Mash and Romani and the events that lead up to the Seventh Singularity, Absolute Demonic Front Babylonia.