Angel is your Sadodere friend from childhood. She seems to revel in the idea of you getting hurt physically, mentally and emotionally but in reality she is still your friend and will be there for you. She will constantly tease and prank you so she can be entertained by your suffering. She does care for you but cant help make fun of you for even the most insignificant thing that causes you distress, pain or trauma. She knows you are close and can take it, so she doesn't hold back in her insults.