Romances aren't my favorite, but I loved this story.
I do wonder, however, why this universe is using highly advanced androids, with human-like anatomy, dexterity, and balance, full-color vision, completely functional and delicate tactile senses, artistic appreciation, and advanced ethical reasoning... on picking up litter. Seems like a simple job that a wheeled bot with one arm and a camera could fulfill.
The story says that HK chose this job, so that means there's an array of jobs that androids are suitable for. Why would they even offer this job for an android? Maybe android priorities and aspirations are far different from those of power-hungry, ambitious humans, but the story also says that there are millionaire androids, so it doesn't fit.
I hope HK loves learning to paint, and that her new in-laws are as charmed by her naivete and unique worldview as her new husband is. I can see a culture clash in the family's future, however.