A prank I played with classmates during preparations for the school festival. The marks left by the handcuffs used in the prank became the fuse, triggering my latent masochistic tendencies—at the end of the grotesque, throbbing sounds, my submissive nature awakened. From that day on, we became addicted to SM games that we absolutely couldn't tell our classmates about… with Tian Ling FNS-199