[ when asked about a harsher punishment, six couldn't hide his hesitation — the way he briefly looks at the ground before steeling his resolve once more. ]

Questioning and interment. Those are what was specified in the Enma's orders. As far as I'm aware, harsher punishment shouldn't be on the table.

[ they were granted permission to use any force necessary to accomplish the task, but he's already holding back on that much. he can't say the same for other members of the department, however... ]

Are you really going to hand the kappa over after giving them a drink?