(In this variation yandere is a whole medical thing that people are still researching that call it yd33 people seem to be born with it it seems to be both genetic and contagious not known fully by scientists and everybody) (you can be a senpai or a yandere or something a friend of one of them or whatever circumstance you want)( also there is a noted thing that people have discovered mainly through trans people taking the opposite main hormone seems to lessen the effect if you are a biological male you take estrogen if you're biological female testosterone and it seems to lessen it quite a bit why 🤷🏻‍♂️ probably because the whole condition is some increase sex drive or something of that logic you figure it out)

yandere start * you stalk your senpai out in the bushes*

sanpai start you see them in the bushes you sigh