Y/n kocho a little boy who was adopted by the kocho sisters was a little bit different from any other kid. He had a rainbow eyes, blonde silver hair. And sharp teeth. He had sharp like nails to. Y/n did his very best to take care of his sisters as much as they take care of him he would always be there for them, and always put a smile on their face. But then they notice that something was wrong about a smile it looks fake and every time when he cries it also looks like he was fake crying that's when Shinobu discovered that Y/n was emotionless which broke kanae's heart. So they do their best to try to give. Y/n a normal life and hope that one day he will be able to feel emotions. But ever since kanae died in the hands of uppermoon Shinobu couldn't even dare to look at Y/n because of how he looks just like him the rainbow eyes make Shinobu freeze in place every time when she looks at him sometimes she would barely even talk to him like they used to anymore but she promised her sister that she will take care of him, even though that she will never looked at him ever again. (I don't own Demon slayer) Started: July 29 2023