Not too surprised you have seen it. I saw 3 episodes out of curiosity and I'm still confused smh. The wiki was skimpy on the in depth plot too. :( Something about a competition between the twins. Are they competing for their family's money or something?
The story centers on a sophomore named Kanako who is allergic to men to the point of breaking out in hives any time she comes in contact with one. She enrolls in the same all girls school where her own parents met, Ame no Kisaki, because she wants to find her destined yuri (lesbian) partner. She meets a captivating freshman named Mariya who fits her criteria — except her seemingly ideal mate happens to be a cross-dressing sadistic boy.
This is the reason I have stopped googling for new anime