The Legend of Zelda: The Four Swords Destiny.

The four swords, plus Shadow, go on a quest for Princess Zelda. She asked that they go in search of a flame gem that will bring warmth to Castletown. Includes Blue x Red, Vio x Shadow, and Green x Zelda. Yaoi~! Boy x Boy~! Don't like? Don't read. PS: sorry for bad summary XDD