User blog comment:B214/High School DxD New 12 discussion/@comment-95.251.23.192-20130923080520/@comment-95.251.23.192-20130923173932

nope, in the ep, before he talk about his artificial arm, Azazel say that he talked with Souna and she said that she had 2 option:

1) take Azazel

2) be reached by her sister at school

she take the option number 1

I don't remember something like that in the LN soooooo... is an anime variation?