Fukasugi Aiko

Fukasugi Aiko is shown to be a submissive type of yandere, who is dedicated to making her boyfriend happy though acts of kindness and giving of gifts. Nothing is known at this point about her life apart from she lives with her boyfriend. Her major yandere actions are her removal of one of her eyes and gifting it to her boyfriend. And using bodily fluids in her chocolate she makes him.