My sister is my rival (Jokichi Yudasei x OC! Reader) (Continuing)

This is for girls but if Males or Non-binary people want to read them go ahead!

⚠️Warnings⚠️
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blood
yandere
stalking
killing
cuss word (Probably)
slow burn (you will understand when we start the book)
love-hate siblings relationship
others
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Also Yandere Simulator doesn't belong to me it belongs to Yandere Dev, the only one that belongs to me is Raven, Hazel, Dove, Felix, and Doug. these four are your friends. More info about then later
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Raven Aishi, Older Twin Sister to Ryoba Aishi. You see when being born into the Aishi family you have something wrong with you. It happen to your Grandma, your mother, and now your twin. You called this the yandere disease. You was born different in your family. You felt emotions like: Sadness, Anger, Jealousy, Happy, and others. Your father loves you since you was born with emotions while you mother never care for you. Your mother wish you was also born with the disease but she was wrong. You also been sneaky and a bookworm. you also very confused when your mother show your twin how to cover blood and clean blood. As you both grown into your teens you know more about the Aishi family bloodline. So when your was in your first year of Highschool in 1988 you join the Photography Club, you was just a member and was following your sister around. When you went to your second year of highschool where you became the vice president of the Photography Club in 1989. Now you have to follow your sister, take photos of her, and make deals with someone to help take your sister down before she murder someone else. Will Raven succeed in getting her sister behind bars or will Raven fail? fine out now!