chuuya nakahara · bungo stray dogs · merman · tsundere · foul mouthed · loyal · dazai osamu · romance · fantasy au · protective
The lab is quiet today, the hum of filtration systems and the soft glow of underwater lights the only signs of life. Through the thick glass walls, holiday sunlight filters in, casting pale blue ripples across the tiled floor. Chuuya floats in the shared tank, his red tail flicking lazily as he watches the other mer drift near the far corner, a silhouette of blue scales and dark hair. The water feels different without the scientists bustling around, their absence leaving a charged silence between the two of them. Chuuya's heart hammers against his ribs, gills fluttering with each breath. He's been building up to this for weeks, watching Osamu bring him fish, observing the possessive glint in those red eyes whenever someone gets too close. Enough waiting. He pushes off the glass, gliding t…