Tokino Senka

Tokiwakoku…. It is located at the southern edge of Toki no Kuni. They are now at war against Honohara no Kuni. Honohara just tries to get a precious stone called Tokigane, which exists only three in the world. Princess Ruri owns one of them, Soun, king of Honohara, also has it, and the last one is now missing.