Hei (Darker Than Black) FanFiction

"Warning: This universe is under construction. Please wear a hard hat, safety goggles, and a reflective vest while on the construction site. Thank you."

"Warning: This universe is under construction. Please wear a hard hat, safety goggles, and a reflective vest while on the construction site. Thank you."

F/M
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Darker Than Black
Characters
Harry Potter, Hei (Darker Than Black), Hei (Darker Than Black)/Harry Potter
Tags
Alternate Universe - Soulmates Age Difference Female Harry Potter Thief Harry Potter Nothing happens until underage soulmate is an adult though Tags added/updated as additional chapters come out
Ch1 is arguably stand alone, since its a small snippet of the idea that spawned Three's a Charm before it took a wildly different turn, and I may upload it separately for that reason, haven't decided just yet since while it is arguably stand alone, u...
Once more...

Once more...

F/F
F/M
Multi
G
Updated
11.04.2025
Fandom
Harry Potter - J. K. Rowling 転生したらスライムだった件 - 伏瀬 | Tensei Shitara Slime Datta Ken | That Time I Got Reincarnated as a Slime - Fuse Darker Than Black
Characters
Original Female Character(s), Harry Potter, Rimuru Tempest, Hei/Kirihara Misaki, Hei/Harry Potter, Harry Potter/Kirihara Misaki, Hei/Harry Potter/Kirihara Misaki, Rimuru/Original Female Character, Hei reincarnation identity/spoilers, Diablo/Rimuru Tempest, Diablo/Original female character, Diablo/Rimuru Tempest/Original female character,
Tags
Female Harry Potter Reincarnation Soulmates Soulmate-Identifying Marks Missed tags to be added later
Toshiko honestly isn't even all that surprised to wake up in yet another life once she's dealt with the creeping overpopulation, the loss of morals, and numerous attempts to get rid of her one way or another. Her born specialization Elemental Sight's...
Rebirth

Rebirth

F/F
F/M
Multi
G
Updated
14.04.2025
Fandom
Harry Potter - J. K. Rowling Darker Than Black 魔法科高校の劣等生 | Mahouka Koukou no Rettousei | The Irregular at Magic High School
Characters
Original Characters, Harry Potter, Hei/Kirihara Misaki, Hei/Harry Potter, Harry Potter/Kirihara Misaki, Hei/Harry Potter/Kirihara Misaki, Hei (Darker Than Black), Kirihara Misaki, Bai (Darker Than Black), Shiba Tatsuya/Original Character(s), Shiba Tatsuya
Tags
Female Harry Potter Reincarnation Soulmate AU Female Shiba Tatsuya Tatsuya/"Original" characters are actually reincarnations Of the other tagged characters Except Bai she's not in the relationship Missed tags added later
Calanthe Potter-Black had done her job as the chosen one, and she'd done it well, before dying in her sleep a week away from her four hundred and ninety-ninth birthday. So could someone please explain to her why she was waking back up as a baby? Or w...