Fine and Rein are sent to the Royal Wonder Academy on the Royal Wonder Planet in order to study to become better princesses. They plan to make many friends, but unfortunately, the competition and cold nature of the students and teachers make things impossible. The twins also become Universal Princesses when touching the legendary Soleil Bell, releasing two angels named Pyupyu and Kyukyu to help aid them. Unfortunately, an evil force manifested in a painting doesn't seem to be satisfied about the Universal Princesses... (Source: ANN)

OVAs bundled with volumes 42, 43 & 46 of the Aa! Megami-sama! manga.

11-year-old Persia has grown up alongside the animals on the Serengeti plains of Africa. Twins Riki and Gaku Muroi and their grandfather, Gouken, bring Persia to Japan with them, where she will live with a couple (who Persia calls Mama and Papa) that own a grocery store. During the flight to Japan, Persia finds herself in the "Lovely Dream" where she meets the Fairy Queen, who explains that the Lovely Dream is in danger and requests Persia's help. Giving Persia a magical headband (which can also summon a magical baton) that allows her to transform into a teenage girl, connecting her to the Lovely Dream and allowing her to use magic. She is sent with three kappa back into the regular world with the mission of collecting love energy to thaw the frozen Lovely Dream. If Persia fails her task of collecting love energy or if someone catches her using magic, Riki and Gaku will be transformed into women. (Source: ANN)