Speaking of romances that are absolutely terrifying out of context...how about a romance story that is terrifying WITHIN the context:
Her smile was full now, a low giggle escaping from her mouth, "I didn't realize he could do this. My beautiful Tristan..." She let go of Erics' neck, standing up to release a low and pleasing groan, her eyes sparkling with delight and hope, "He's perfect. My Tristan is perfect. He will be mine, part of my family! He can complete my family!"
This is one of my favorite chapters. I already showed my Wrathful Mafia Queen as batshit and murderous, but I loved writing her as absolutely Yandere here.
Check it out in full! If you wish: