We witness the rise of the A-rank hero "Tanktop Wingman" and the S-rank hero "Sun Mirror", both brought together by their impossible density and ultimate Chaditude.
I'm beginning to suspect that Namekawa is actually a succubus whose power only works on psychotic lesbians. But now it's evolving and she awakens any latent psycho lesbian traits in the girls around her.
This is impressively awful. Also, the mom giving her own old swimsuit to her daughter in law knowing that it could be used to seduce her son is kinda... weird.