Salty but Sweet- Kei Tsukishima X Black Fem Reader

"You like strawberry shortcake too?" "It's sweet but salty , I like it..." "Y/n" "Kei. Kei Tsukishima." Two polar opposites meet in a cake shop. Is there relationship going to be as sweet as their beginnings ? "You know what Kei, your salty but sweet." "And y/n , your sweet but salty." I DO NOT OWN ANY OF THE HAIKYU...