Anna looked at the Autobots. "No offense taken
..we just had a rough day. We got lost in the woods and then Elsa was attacked I think and when we reunited her arm was... 

"Anna enough. ." Elsa said just wanting to forget about Bob. Anna got Elsa's hint and thanked Optimus. "My name is Anna and she is my sister Elsa. " Anna introduced. "Nice to meet you Optimus."

Hiro listened to Kaika. "My father was Demon King Janus and my mother was mortal. My arm was replaced after it was cut off by people who were mean and hated me.." She said explaining how she protected a human friend and that caused the arm loss.