Blood Bank
Complete | silb | 2015 released
The bdsm concept could be handled better, but they're really cute
Sex Complex CG TOON
Complete | Dell Studio | 2000 released
I prefer the original one, since at least it has a bit of plot. Since I think this spin-off was made just to be a nonsense full of smut, it was good. I really like the art, and Jaehyun is hot as hell.
Make Me Bark