Becoming Underswap Sans

what if someone in our world becomes US!sans also known as blueberry?

I Found You My Dear Inkmare fanfic

When Ink is exploring the au's, he stumbles upon a new au where he meets a new friend named Nightmare. The both of them create a close bond, and Nightmare explains how the villagers mistreats him and how they treasure Dream. Ink knew Dream for awhile, but Dream never mentions Nightmare. One day Nightmare had enough o...