Here is a full list of the girls that (you) have invited into the harem.
[High School DxD]
Rias Gremory, Akeno Himejima, Asia Argento, Koneko Toujou, Xenovia, Venelana Gremory
[Street Fighter]
Chun-Li
[To-Love Ru]
Lala Satalin Deviluke
[Ghost in the Shell]
'Major' Motoko Kusanagi