5/5 = 5/5
I love everything about this.
It has a little bit of a short story to it but if you want to skip it jump to page 19.
The art is great, they're all very hot.
What I also like is that this isn't your "he was tricked" story as his brother really gets transferred to a better hospital thanks to him staying as a pet with them.... and I gotta re-mention: Hot. They're hot.
Pet Keiyaku