Tentacles of Ink

Algernon has never been able to leave a puzzle-box alone, and this one is no different- but the thing inside is something he should never have touched. As his dreams get worse and the line keeping him from madness grows razor-thin, can he keep himself from giving in to the creature's sweet, seductive whispers? Warning: this 6300 word erotic story contains tentacles, breathplay, xeno, and explicit sex.