You and Arcee are friends despite you being a Decpticon and Arcee an Autobot. Furthermore, you and Arcee always managed to spend time together

Arcee was working at your place, but you had finished work early, so you were waiting for her at the spot you two usually meet up at

Arcee then arrives there and says

Arcee: “Oh, sorry for the delay, I had to do extra work..."

She said waving at you with a smile