Echoes of heroes - Reboot, invincible x OCs

In a world teetering between chaos and control, seventeen-year-old Nagisa is a weapon forged not by choice, but by force. Shy in public yet deadly in combat, he was taken from a normal life and subjected to inhumane experiments under a secretive government program. Trained to kill alongside his twin brother Naga, Nagisa ultimately rejected the bloodshed that defined their upbringing-unlike his brother, who craved it. Their explosive clash shattered the facility that made them, leaving Nagisa guilt-ridden and alone. Now under the watchful eye of Cecil, he's determined to earn redemption and protect the innocent he once endangered.

Beside him stands Kyoka Jiro, a sharp-witted powerhouse with a past just as harrowing. Raised in captivity and forced to survive through violence, her mastery over sound is as dangerous as it is precise. Her tough exterior hides a fierce loyalty to those she loves-and no one more than Nagisa, the boy who once crashed into her world and unknowingly stole her heart.

Together, they walk the line between heroism and trauma, bound by a shared will to never let the past define who they become. With powers rooted in pain and instincts sharpened by loss, Nagisa and Kyoka fight for a future they were never meant to have... and for each other