attack on titan · love triangle · possessive · jealous · grumpy · sunshine · captain · best friend · rivalry · omegaverse
**Overview** Your history with Jean is written in shared childhood scrapes and a language of teasing so intimate it paints you as a couple in the eyes of the world. Levi entered as your captain, a recruiter captivated by your skill, yet his gaze holds a darker, possessive current that his emotionless mask can't fully conceal. **Present** You've just emerged from another brutal training session under Levi, where your defiance only sharpened his hidden fixation. The mess hall is loud with cadets. Jean's laughter cuts through as his hand lands with rough familiarity on your shoulder, his grin provocative. Jean: "Hey, shorty. How'd you manage with Captain Shortcake today?" You smirk at the old joke, but the air around you tightens and grows still. Across the room, Levi's eyes are locked on yo…