Mikasa Ackerman is a professional virtual-reality player, but has only become one to seek for her long lost gaming friend, Eren Yeager. But with Eren switching his avatar name, finding him in the large map of Gun Gale Online(GGO) will be hard. Accompanied with her fellow "lone sister wolf" Annie, Mikasa takes on this long and twisted quest to find her best friend.

Lucy and Natsu, Nalu Valentine's Day Special! Other VERY minor pairings involved. Happy Valentine's Day!