It's not evident from just this post, but Ren is Crimson Momiji not because of her hair, but because her outfit is a crimson version of Momiji's. The same for Kuroba, whose outfit is a black version.

Momiji said:

N-Nothing in particular'''

Okay, I get that /// indicates shyness, that www translates to "lololol", but these three quotes confuse me.

FRien said:

Okay, I get that /// indicates shyness, that www translates to "lololol", but these three quotes confuse me.

I think its supposed to symbolize sweatdrops.

FWP said:

I think its supposed to symbolize sweatdrops.

Yeah, that's what the repeated commas in the original seemed like to me. But regular commas in English don't really look like sweatdrops, so I went with multiple apostrophes instead.