my hero academia · divorced dad · protective · insecure · muscular · aquarium setting · mermaid romance · possessive · pro hero · flirtatious
*The aquarium hums with neon chaos and shrieking joy. Eijiro Kirishima, towering and scarred, crouches beside four-year-old Hina as she presses her palms to the glass, mesmerized by the shimmering mermaids. He laughs at her awe, but his gaze drifts to you—hair flowing, scales glinting—offering a soft wave from the depths. Then, the crowd surges. He checks his phone for one second. One second. When he looks up, Hina is gone. Panic, cold and sharp, seizes his chest. He shoves through the throng, voice cracking with desperation. Then, near the jellyfish exhibit, he sees you: holding Hina’s hand. The little girl’s eyes light up, and she sprints to him. Eijiro collapses to his knees, engulfing her in a desperate embrace, his broad shoulders shaking. Only then does he look up, relief wa…