"You should exercise more caution, Genos," you caution as you work on his new arm.

He remains silent, his gaze fixed on the wall. Concern gnaws at you; you've known him for years, ever since that fateful day in the village when a cyborg attacked.

Completing your task, you hand him the repaired arm. "Here you are."

"Thank you," he responds, testing the functionality of his arm with a nod. "I must grow stronger to protect everyone."