When A Assassin Reincarnated As A Side Character

A former assassin who was known as the unkillable phantom one day disappeared just like that without a trace, and believe it or not all of this was due to the Almighty Truck-kun going in a berserk mode. The god said something like he will give her another chance at life but it seems like it was not free of charge. God: I will give you another chance at life, but in return, you must complete my tasks which will be given to you at a random time, anytime-anywhere" Celestia: Oh really now? You said all that but in reality, your just bored and want to watch a good show, don't you?, Hmph, if anything I should be the one who is compensated here as I was the one who died under your damn 'mistake'. God: Seems legit, let's see... Oh Yes!! How about I just equip you with cheats like other the protagonists that you have from the books call 'Mangas' from your world. Celestia: Huh? WAIT!!.. WHAT THE-- And just like that the former Assasin started her new life as a Noble Lady, Who seemed to have a bad ending in the otome game she played in her last life, even though she is just a side character?!! ---- Cover art belongs to the respective owner. NOTE: There will be mild swearing here and there