An experiment, an extremely hostile one. Created to fight in wars and kill all enemies at given orders. Shadow was created for the "Benifet of Man kind" but using a mobian form to create the Ultamite Life form. He remained secret from the public, attacking anyone who entered his cell. That was until a ble hedgehog crashed into it during a battle. Shadow having never seen another hedgehog before, has an unexpected reaction. He escapes, mearly from the presence of the blue hedgie. His reasoning unknown to anyone but him. Lemons ? Sonic uke

Subject's Name: Shadow Age: 18 Height: 6ft. 2in. Weight: 102lbs. Sex: Male Sexuality: Gay Victim's Name: Sonic Age: 17 Height: 5ft. 11in. Weight: 105lbs. Sex: Male Sexuality: Gay (just doesn't know yet) Sonic is the new kid in town, new school, new friends and new everything. Sonic loves hanging out with friends, but yet someone is always watching him. This someone appears to be one of his "friends"...okay he's more of a stalker. He fell in love with Sonic the first time he saw him. That beautiful smile, that flat belly, those hips and that ass...uah...so tight. He thinks of Sonic as the holiest thing in this ugly planet. What he does hate is when he catches others glaring at Sonic or talking to him or hanging out with him or touching him or laughing or just peeking at him. Basically anything that doesn't involve him. Sonic does not suspect anything of Shadow, but once some of the people he usually sees go missing, he starts to get suspicious about him. ((This will be sonadow in human form with hedgei ears)) ⚠️Warning⚠️ There will be yaoi and smut For you yaoi fans, enjoy!

Sonic has been dating Amy for a year, but one day he learned that she was cheating on him the whole time. He was heartbroken, he didn't talk to anyone, except a stranger that he's been texting for a few weeks. DISCLAIMER: Do NOT read this if you're sensitive! This book has everything. Suicidal thoughts. Bad language. Blood. And many many more. You have been warned.

Shadow and Sonic had been rivals for long time, until he wants to call a traces with sonic and invite him over. But then things took an unexpected turn when the dark Hedgehog shows his true passion, before sonic knew it was too. Could he escape from his grasp or will he let their affection work though?

Amy gave Sonic a weird cupcake it made him feel weird. Something happened to him, but what? read this and you will find out. HATE COMMENTS WILL BE DELETED! TW: Yandere Sonic killing and stuff like that Sonadow cussing (probably) idk what else

Sonic spotted Shadow outside of the village one day. Curious, he decided to follow him to see what is up with the dark hedgehog. After finding out the reason why Shadow likes being alone in that one particular cave, he decided to stick around and company him. It makes Sonic realize that Shadow isn't really that evil and it also makes him grow closer to the dark hedgehog. SFW book.

A bl love story between two hedgehogs

Sonic takes Shadow to the abandoned house he went to in the past,but while doing so they get into a little lusty werehog problem (this fanfic contains YAOI SMUT and some FLUFF)

Summary: Dr. Eggman invented a serum that will make the injected person act upon their deepest desire. He believed that Shadow's was to kill Sonic. Boy, how wrong he was... Sonadow

Dr.Eggman kidnaps Sonic and does an experiment on him, hoping to put Sonic under his control but Eggman ends up turning Sonic part cat. Now Tails is figuring how to turn him back while Shadow take care of him. Wonder what will happen? Read to find out!