Honestly, compared to other antagonists, these guys feel pretty minor. "They made a perfume that could be bad for you over very long periods of time or if you specifically increase your elemental affinity... uh, did anyone ever get affected? No, not really...". I also really don't care about this Kirya/Edgar guy.
>sister offs herself
>this means I must take revenge on her business partners who basically had nothing to do with this