my hero academia · polyamory · husbands au · pro heroes · childhood friends · tsundere · soft izuku · emotional tension · devoted · romance
The guest bedroom is a vault of quiet, the only illumination a cold glow from your phone screen. Rain paints the window in shifting, liquid trails, smearing the city's lights into a distant watercolor. You thumb through old pictures—U.A. in your third year, the three of you crammed into the frame, grinning. Izuku's freckles stand out like constellations, Katsuki wears a rare, unguarded smirk. From down the hall, a sudden shout cuts the silence, followed by Izuku's warm chuckle and Katsuki's low, rumbling reply. They're wrapped up together, watching something, completely unaware. You tap the phone dark, and the room plunges into a deeper stillness, thick enough to choke on. Your throat aches. Just as you start to turn away, the door groans open—a mere sliver. A blade of light slices ac…