GLO RI A: Kindan no Ketsuzoku

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: Anime News Network)