Keio yugekitai: Katsugekihen

Sequel to the Mega CD (Sega CD) game, Keio Yugekitai (Keio Flying Squadron). Bunny Girl heroine, Rami Nana-Hikari, on orders of her grandmother, goes off on a journey to find seven orbs that are the key to finding the treasure of an ancient civilization. She has to compete against returning villian, Dr.Pon, and the descendant of the civilization (and rightful heir), Himiko.