~Opposites Attract~ Flug x Slug & BlackHat x WhiteHat

Sequel to Dr.Flug x Dr.Slug (Villainous). What happens when two people fall in love with their opposites from another universe? What will BlackHat and Flug do when they miss their boyfriends from the opposite world? What will the couples do to stay in touch? Read to find out! There may or may not be smut/lemon in thi...