There was once and still is a girl...Kokana-Chan. She is the younger sister of Yandere-Chan. As here sister many years ago lost her emotions but earned some well...her sister Kokana did...but a bit differently. She had emotions...just...she was mute....had a senpai...serial killer and well she had only 3 emotions...Happiness...Anger...and...Emotionless. She only felt that when her senpai...Andrew...was with another girl...she turned to the anger and emotionless side...and killed that girl...even if a boy went near him...BAM...gone....All Rights Reserved