Sweetheart summary: You are reading Sweetheart manga, one of the most popular manga covering in Webtoons, Romance, Slice of life genres, written by at MangaBuddy, a top manga site to offering for free. Sweetheart has 61 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add Sweetheart to your bookmark. Good-looking loner, Scott Hart is an autistic model who accidentally discovers the secret of the most feared girl at his school, Penelope Suit. And oddly enough, they get intertwined in an atypical friendship. But is friendship all there really is to it?