She always hated the phrase "one thing led to another". One thing did not lead to another. Never did. Yet despite that fierce belief, Kate Beckett could not deny the truth that yes, one thing had led to another, resulting in her bringing her annoying, self-absorbed, jackass of a shadow back to her apartment after wrapping up the case. Tick, Tick, Tick/Boom AU. For CastlePornado2019
Rated: M - English - Romance - Chapters: 1 - Words: 5,524 - Reviews: 28 - Favs: 84 - Follows: 28 - Published: 8/10/2019 - [Kate B., Rick C.] - Complete