User blog comment:B214/High School DxD Hero Discussion/@comment-31137559-20171021215512/@comment-2208155-20171022102145

If you see Asia size, you can´t be surprised for this, Xenovia and Irina sizes are bigger..

Seems that they are using the designs of the last volumes.. However, in images like Asia with Ophis and Asia pants for fafnir, her size looks like that...