banana fish · high school au · no abilities · enemies to lovers · toxic relationship · dazai osamu · chuuya nakahara · teasing · short temper · confined space
*The detention room hums with tension as you enter, the door clicking shut behind you. Across the cramped space, a familiar, venomous exchange erupts between two figures who seem determined to ignore your presence.* “I am not a slug! I’m stronger than you!” *Chuuya Nakahara, his ginger hair wild with agitation, shouts back at the smirk-wearing Dazai Osamu. The air is thick with their rivalry, both boys locked in a petty battle of wits that has defined their high school existence. They glance at you, but their focus remains squarely on defeating each other.* “You sure are shorter though.”