That little bounce in her walk when Effy first notices your book. Not the whole character model, just the hips. Someone spent way too long on that animation and I respect it completely. The train carriage feels cramped in exactly the right way, all those other passengers pretending not to watch while she leans closer and closer, her skirt riding up just a tiny bit more each time she shifts position. The artist clearly knows what they're doing with fabric physics, even if the background passengers look like they were drawn on a coffee break.
The corruption angle here isnt subtle at all and honestly that works. Effy doesnt pretend to be innocent for more than maybe two screens before she's got her hand on your thigh and that whisper in her voice when she mentions how she saw you looking. The blackmail stuff feels a bit rushed though, like one moment she's just a flirty stranger and then suddenly she's got leverage and I'm still not sure what exactly she caught me doing. Reading a book? Is that the crime here? The writing skips a beat there and never really explains itself.
What sticks with me is how she moves between targets on the train. One minute working on you, the next she's got that older guy in the corner sweating through his shirt while his wife is literally right there in the next seat. The incest fantasy stuff comes in later and if you're not expecting it, well, you'll know when it hits. The CG scenes are properly explicit, no fade to black bullshit, and the expressions on her face during the corruption sequences have this knowing smirk that makes the whole thing feel more predatory than romantic. Which is the point I guess. Just wish the dialogue choices mattered more than they do. You click and she does her thing regardless. Maybe that's the fantasy.