Nikaidou is totally from some family of badasses, though. Like, there's no way she's got a middle management breadwinner father and stay-at-home mom doing flower arrangement and embroidery after how much she's showed off. It's just a question of what kind of badasses they are.
MahiMahi will save us all; they are joy incarnate. While they transcend petty physical relationships, being demi-godesses and all, I have no doubts they are intimate.