This is extremely unrealistic. What high school boy would mind if the hot girl who wanted him used to be a cat? For most reasonable people that's a bonus.
If japan has convinced me of anything, it's that if human/animal hybrids, or aliens were to one day appear, the Japanese would be the first to suggest mating with them.
This art makes it feel like it's a promo to a visual novel. I would like to read a visual novel version of this with everything more fleshed out and more content. Shame it's not tho. Ch 1 can be found elsewhere. I read it on mangapark