Who will be my first r4 6-star?

Pest_1

Finally got the resources to R4 a champ.
I am at 7.1.2 in story and want to R4 the one I get most use of there.

Got three options I choose from. Play them equally much now.

(Disregard AW, AQ and prestige in your advice- that is of zero importance for me)

NIOBBB

Dr Doom un-awakened

Do you use suicides?

Pest_1

NIOBBB said:

Do you use suicides?

No

Pest_1

I went with Doom