Not sure who those masks are supposed to be.

The new Ayanami-class from the last event. Walking Eromanga Sensei Shoutout Sagiri and Amagiri of the Glorious Abs.

Garrus said:

The new Ayanami-class from the last event. Walking Eromanga Sensei Shoutout Sagiri and Amagiri of the Glorious Abs.

So that haramaki is supposed to be Amagi's glorious abs.

Amagi Inn from Persona 4, glorious abs and glasses Amagi (shipgirl).... I think I've found my favourite Japanese name

Edit Amagiri. So very tired, I was.