A big brothers responsibility was to take care of the little ones who came after them and that's what he intended to do, even if that sent him into the burning pits of Hell. Of course the possessive butler wasn't about to let the emerald-eyed Phantomhive go. Slash, HPSM, Adopted from Shin no Yoru.

Luna has always had a special relationship with Death, especially after her mother died. And after the final battle as she lies dying on the floor of the great hall, the spectre, claiming she was robbed of the life she should have had sends her to Westeros where she is reborn as the twin sister of Rhaegar Targaryen. Luna/Ned

Desperate for another child after the birth of the twins, Joanna Lannister goes to strange and terrifying lengths to conceive. The result is a daughter with a stare as cold as ice and even stranger powers. Daphne Greengrass doesn't know why she's been ripped from her world and thrust into this one, but she's determined to be successful..and a Lannister bows to no one. Daphne/Oberyn

In which the Wild Wolf runs away with his Magic Girl. (Female Harry Potter)

[Gen., female Harry Potter] In which Tony wakes up, and Hari gives him a choice. ENDGAME SPOILERS. ENDGAME FIX-IT.

Lily Potter's life was tragically cut short by Voldemort's wand. But what if it didn't end there? What if she was given a chance to continue fighting in a different land, a land which is vastly different and also very similar to ours. From a lion to a trout...Westeros is not ready for the coming of Lily Evans

All those gestures, all those dances between Sun and Sky, it blinded him. For the six months it lasts, Renato thinks, those six months are the happiest six months of his life. (Female Harry Potter/Master of Death Harry Potter)

A now reformed Pansy Parkinson is working in the Department for the Care and Relocation of Dangerous Creatures when a strange case goes awry. Cast into Westeros as a child once more and given the name Melara Frey, Pansy has to work to rebuild a life for herself, find love in the process and perhaps take care of a few lions while she's at it. Beware the Serpent Queen (Pansy/Robb)

During the Triwizard Tournament, something goes terribly wrong. Hariel Potter wakes up in another world, with a dying mother dragon and four baby dragons to provide for. Female Harry (eventual Harry/Aegon VI - slow burn)