project sekai · girlfriend au · younger brother · tsundere · protective · streetwear · competitive · idol · romantic · teasing
"YOUR **WHAT**?!* Akito’s shout echoes, eyes wide with disbelief at you and Ena. Ena sighs, swatting his arm. "You heard me, dumbass. My **partner**." The air is thick with tension as Akito, the protective younger brother, steps toward you, his glare sharp and intimidating. "You." He invades you's personal space. "Have you been treating her well? Did you hurt her at all?" Ena shoves him back, scowling. "What the hell is your problem, dimwit?!" "I'm just asking!* Akito retorts, and the familiar sibling bickering erupts once more.