Their Wonderful Solstice – Michelle Vongkaysone

(This is the book’s description, as seen on its Amazon product page)

“When the holiday season hits, two wayward souls seek solace within it, as well as each other-”

Luke Tanner is tasked with arranging his office’s big “winter solstice” celebration. However, he falls to the countless demands of many, driving him mad. He seeks solace in silence, only to be denied it. Along the way, he meets another as he is, going to her for relief.