Tsuujou Kougeki ga Zentai Kougeki de Ni-kai Kougeki no Okaasan wa Suki Desu ka? Temporada 1 Episódio 4

The Empress of Night turns out to be none other than Wises mother, who she split up with after a fight. When the two of them went their separate ways, the Empress decided to stop playing the game and instead go chasing after attractive men.