RE: united

[MangaDex]

 

[BondrewdTheNovel]

bro is that lumen from arknights

 

[ZodiacWitch]

bro is that lumen from arknights

fun fact I play ak.

 

[Bartolumiu]

bro is that lumen from arknights

You'll need to read RE:u to know...

 

[BusinessGL]

Dod

 

[Axel_Tartusous]

bro is that lumen from arknights

Sorry, that's not lumen.
Do you mean this guy?

If so, he is carmen. The Iberian inquisitor.
They do appear in the same event.