Based on the game Yandere Simulator Sonic is a mobian hedgehog with super speed who happens to be emotionless, which means he can't feel any emotions, so he pretends to act like a normal person but still never feels anything, his friends try to help him feel emotions but it just never works, but one day on a rainy afternoon, he met someone who completely changed his life, it was a girl named Rainbow Dash who was crying because her best friend Gilda betrayed her at a party and humiliated her in front of everyone, after a while of talking, Sonic now started to feel something strange inside of him, it was actually love at first sight, he's willing to do everything he can to confess to Rainbow Dash but doesn't want her to think he's a creep, but soon, he discovered that someone else has a crush on her, it was a boy named Zephyr Breeze who doesn't understand any feelings that Rainbow Dash has, this causes Sonic to go into a new emotion, rage, he wants to make sure no one touches his senpai, then, he meets up with a girl named Maya who is wanting to help Sonic give Zephyr what he deserves and have his senpai belong to him, join them as they go through new rivals, love triangles and a little bit of some love and blood

This takes in High School, Sonic has feelings for his best friend Tails for a long time, but he has rivals: Cosmo, Amy, Wave, Sally. Sonic has 1 sibling name Monty. He has to kill them so he could win Tails' heart.

Check out my Sonic Lemon 3 book! This one is done. Welcome to my new Lemon Book! Please read the rules! Also the policy same as my old book you have to be 14 and older to request a lemon! I wont stop you from reading them though! Please put your request either on the rule page, or the Request page please. P.S I made a new blog on Tumblr, mostly updates for my stories, and maybe RP. Go follow me! My user name is dwonderwitter0002

Sonic adores Amy to the extant of killing anyone who comes near her. He was depressed until she came into his life. Now he has a week to get her to love him. Will he end up killing everyone for Amy? And will Amy accept a killer? Find Out! •••THX TO @Kittyhugsyou for giving me this idea••• Ik Yandere is more focused on girls, but hey! I wanna see Sonic go on a killing spree for Amy, so here you go!

Things turn a bit surprising when Sonic felt happy and surprised to know that Knuckles confessed his feelings for him. Things were going their way until two certain ex-girlfriends attempted to sexually harass or rape him and a few certain men kidnap the echidna in four alternative times and that took a deadly turn and they have made a grave mistake that was when Sonic who was the sweet and innocent Sense-Chan turned into a deadly and dangerous yandere for his senpai.