User blog comment:B214/High School DxD EX/@comment-31137559-20170415223307/@comment-31137559-20170416001828

EX light novels, Chapter 4: Crimson Will, Ex to Azazel:

“No, she retired and ceded the seat of family head to my oji (uncle)… Milicas-niisama. Okaa-san now expands her business range into many different kinds of industry. We are also Rating Game players, although the game itself was discontinued during the war, after the invasion of the Evil Gods hit our world.”