Penti-amorous? (c!wilbur x c!quackity x c!karl x c!sapnap x reader / y/n)

Headcannons that appeared late at night, so they might no make much sense. Also, note that these are not about the actual people, I know their boundaries, and as far as I can tell, this is what they're ok with. Fluff, angst, maybe lime and/or smut. 16+ just in case, if there is anything, I will have warnings. be warne...