Cersei flee from Westeros with her children and kidnapped Arya after her plan to assasinate Robert failed. Apart from their knowledge, they boarded the ship of the Straw Hat pirates that recently got teleported by a portal. During their escape, the Straw Hats found the portal again and teleported back to Grand Line with the former queen, princes, princess and a lady in tow.

When her eyes open, she knows she is no longer residing in the world of Sansa Stark. (or, Sansa Stark gets reborn into the world of One Piece, and the song changes itself forever) crossover-fic, GoT & OP

When all was said and done in Westeros, Daenerys Targaryen sailed west. On the Grand Line, 'Silver Hair' Dany is a member of the Straw Hat crew. A series of one-shots based on Daenerys Targaryen in the One Piece world.

The Straw Hat crew, after getting their new ship at Water 7, land on a strange island where no one's heard of a Log Pose before. The crew gets stuck there and their dreams seem to be lost, but their newest crewmate tells Luffy a different King he could be. Not the King of the Pirates, but the King of the Seven kingdoms. Starts in 5th season of Game of Thrones

Starks are usually rescued by the most unlikely people when in trouble, but some are simply too much to handle.