Harem (confirmed or to be added)

Ophis

Great red(Crimsyn)

Asia Argento

Raynare

Sona sitri

Serafall leviathan

Kaori Murayama

Vali lucifer

Albion

Irene belserion

Rias Gremory

Akeno Himejima

Koneko Toujou(Shirone)

Yuumi Kiba

Rossweisse

Kuroka

Yasaka

Kunou

Aika kiryuu

Katase

Le Fay pendragon

Jeanne

....To be added