AO3 name: xenoglossy
Letter: http://xenoglossy.dreamwidth.org/80432.html

A Bride for Rip Van Winkle (2016) (fic)
Minagawa Nanami/Satonaka Mashiro

Chess - Rice/Ulvaeus/Andersson (fic)

Svetlana Sergievsky/Florence Vassy

The Count of Monte Cristo - Alexandre Dumas (fic, art)
Eugénie Danglars/Louise d'Armilly

Dangan Ronpa (Hope's Peak Arc) (fic)
Asahina Aoi/Kirigiri Kyouko
Koizumi Mahiru/Sato

Persona 3 (fic)
Aigis/Arisato Minako
Kirijo Mitsuru/Takeba Yukari

Persona 5 (fic)
Niijima Makoto/Takamaki Ann
Suzui Shiho/Takamaki Ann
Niijima Sae/Ohya Ichiko
Niijima Sae/Takemi Tae

Professor Layton vs. Phoenix Wright: Ace Attorney (fic)
Eve Belduke/Espella Cantabella

Umineko no Naku Koro ni (fic)
Mammon/Ushiromiya Ange