User blog comment:B214/Question and Answers 6/@comment-24098614-20190617190922/@comment-24098614-20190618082849

I had to ask this because she had a 78 cm bust during the beginning usually females stop growing after a certain point in their age but this is called cheating in my opinion.

I thought that she had a breast implant or used magic to increase in size it is not natural because she still follows the same rule as any girl in puberty in terms of growth.

Issei should appreciate this because his obsession of breasts forces girls to simply please him because the guy would be a jerk if breasts is the thing he looks for.