The Fiend Boy

When Calvin Pierce was a kid, him and his friends joined an after school program with their interesting school librarian who gave them the power to turn into monsters to feel safe from bullies. After mysterious deaths occurred in their town, they vowed not to change again. But 20 years later, the mysterious deaths start happening again, so they decide to reunite and see if their monsters can put a stop to it. Remember, the sky is the limit...