Megatron's Queen

(This Fanfic series is set during the timeline of Revenge of the fallen and Dark of the moon,Ocs and AU owned by me,Transformers movie trilogy owned by Hasbro and Micheal Bay,Art and cover owned by artists)
Pastel is Megatron's sparkmate,she's known the war tyrant for years back when his heart was pure and good in fact,but one day during the war..something horrible may happen.
that could destroy any good Megatron had left inside his spark.
(⚠️WARNINGS⚠️)
Heavy violence
Oc x Canon
Possessive! Megatron
experimentation
Language
if you can't handle any of this read my other stories.
enjoy!