I didn't watch the whole thing. They didn't seem like people I would click with, but I feel more like "ok...... moving along" than outright adversarial. I guess my impression is they seemed to take it for granted that they're being cute and interesting and I was bored but to be fair I think they were probably just enjoying eachother's company & felt like whoever watched would be on the wavelength?
My type impressions are similar to others here... Sei for her, unsure about him.