Fucked up how that works, evolution. Then again, that implies years upon years of human x dragon crossbreeding.
Damn dragons.. seducing humans like that..!!💢
I choose to believe they can also grow back slightly larger ones, so it's not a permanent loss. It would just take an equally long time of growing out your tail, breaking it off, growing it back longer, etc.
I thought it was weird that you were linking to something normal on e-hentai, but then I got through the image set and watched it gradually shift from silly 4koma to birthday/gift art, to thirst traps, to outright porn. If the order truly was the order that the artist put them on on twitter or pixiv or whatever, what a weirdly fascinating journey.