I think my favourite part of this pack is how a part of it (spoiler) genuinely seems sad to me, something that a lot of non-risque games are unable to do. Most AAA games make me think, "I don't care what happens to these people!" whether they're the protagonists or antagonists, because they're so disgustingly unlikable, or the medium is so wrought with depressing events that it becomes exhausting to feel connected to the characters; a cartoon rabbit from a furry porn game managed to dredge feelings of sympathy, especially because he's equal parts cocky, cute, and genuinely good.
Part of the formula, in my opinion, is that Mezz is quite fast and strong, yet the hypnosis makes him believably vulnerable in relation to the story's logic. One of the new parts of this content pack really highlighted that, and in my opinion, was probably the saddest example.