Gamma Orionis is a prolific fanfiction writer in the Harry Potter fandom. She has over 600 works published on her Fan Fiction Dot Net profile.
This author's multi-chapter work contains examples of:
Sinners Shall Entice
- Love Dodecahedron: So Lucius is married to Narcissa who loves Rodolphus who is married to Bellatrix who loves Voldemort...