Ten isn't his boss. Neither is Five. There's no one that Garrot can report Six to. No one... but Six himself.

"It's important for the story!" He answers immediately, smiling as he scritches more notes down in the corner.

"Is hurting and killing people something you would say a hero does?" He counters, deeply curious. It's like he's not even acknowledging that Garrot's accusing him and he's instead using the things Garrot's asking to ask questions of his own.