First of all the art is lacking in every aspect, there's no detail whatsoever. The story start promising, i even cry because my emphaty toward Erus, but the plot being bad a long the way. The author just want a 'kinky' thing being the main plot and try to make the kinky and taboo thing is something serious. Erus, the uke, the king is so weak, really fitting to be a whore. How can he dreaming having an SM sex with the seme, the dragon, whatever, when his people suffering, there a disaster everywhere, and need him. The serpent right, he is a whore.
The Dragon's King