Would you and your cast mind some complicated slightly negative cr? This lady here is super cool/tsun and she has quite a mouth on her when she gets upset. She won't be nice all the time.

Inwardly though, Megumi would have really painful mixed feelings of disgust for the drugs and sympathy for the victims of said drugs, plus shame and guilt.

She miiiight be eventually willing to make them something non-lethal if she finds out all she can and decides there's really no other way for them. But that would be a long term development.