User blog comment:B214/High School DxD Hero Discussion/@comment-5899671-20180602180955/@comment-2208155-20180602195625

Different style. Maybe JUSTICE as that Fandom User said.

-Koneko never was flat in the novels, she is a girl with small breasts.

-Asia bust grows in the novels.

-The adult women(Venelana, Grayfia, Yasaka) are in another level(bigger busts than Akeno) in the novels.