Gloria: Kindan no Ketsuzoku
English name: Gloria
Genres: Drama, Mystery, Romance, Hentai
Type: OVA, Episodes: 3
Aired: Nov 28, 1997 to Apr 24, 1998
Studio: Triple X
Source: Visual novel
Rating: Rx - Hentai
Synopsis:
The two bostoner elite students George Heinesen and Kira Akishiro gain suddenly the chance studies and their common hobby, flirting, to combine: the world famous millionaire family Gloria employs George and Kira as private tutor to educate their five daughters Etana, Cecile, Naomie, Sharon and Mary.

(Source: ANN)