Draco may be significantly bigger than Kin, but in her quadrupedal form she is the perfect size for his lap. Here we see the red dragon holding his lover so tightly and firmly. Kin is fitting herself into Draco's warm scales. Only tender snuggling here. Nothing more that can't be seen. Not like Kin is fitting something into herself.

Kin belong to and the picture drawn by: https://www.furaffinity.net/user/unyko