Dragon Knight 4

Years have passed after Takeru defeated the ultimate evil. He married his sweetheart Luna, and they had a son named Kakeru. This fifteen-year-old boy has one weakness: he likes naked female elves. But soon he learns that the evil wizard Lushifon wants to turn all people into stones and control the whole world while nobody is able to stop him. Together with the mysterious swordsman Eto and many other heroes, Kakeru must perform his ultimate quest and defeat Lushifon and his minions.