A second book of the story "How To Make An Assassin Fall In love (Killua x Reader)" "Let's see who falls first...me...or you?

Events that happened with your loved ones,the feeling squeezed heart,throbbing pain in your chest,when your heart skipped a beat and when your cheeks get red

i'm sorry in advance this is my first time writing smut. you and killua are both over 18 in this but that's not very important. if you have any tips for my writing i'm open to criticism. this is p mild. i hope you enjoy lol