Rune No Joka Hikari to Yami No Sei-Oujo Japan

Rune No Joka Hikari to Yami No Sei-Oujo (aka Seikon no Joker - Hikari to Yami no Seioujo) is a RPG game made by Media Works in 1997 that features the story of a young boy that is an adventurer that explore old ruins in searh of treasures. One day when he tried to escape from an ruin he is ambushed by a group of mercenaries.