Dragon Slayer: The Legend of Heroes II is a computer role-playing game developed by Nihon Falcom Corporation. It was first released in 1992 for the NEC PC-8801. Over the next few years, it was also ported to the NEC PC-9801, FM Towns, PC Engine, Sega Mega Drive, Super Famicom and MS-DOS.
It has been some time since Prince Selios, the hero of the original game, has defeated the demon god Agunija. Iseruhasa is at peace. Selios has married Dina and given birth to Atlas. At the age of fifteen Atlas and his teacher Lowel spot strange beings outside of the capital city. Men in spacesuits. Naturally they do not recognize the spacesuits and believe them to be monsters, setting off intrigue.
Source: Wikipedia, "Dragon Slayer: The Legend of Heroes II", available under the CC-BY-SA License.