This OVA is the continuation from the television series (starting from the 67th chapter of the original manga). There are six DVD volumes planned in Japan, two illusions per DVD, so there are twelve episodes in total. The OVA version of opening and the ending theme are both sung by Sister MAYO.
The story contiues just right after the television series end. Hare came back from the city to the jungle with her unique mother, Weda, and Goo. The jungle is the same as before, everyone is the same as before. Except there is a new "kawaii" teacher, Yumi with "intense" character...