Fate/stay night - Baka-Tsuki

Fate/Zero - Baka-Tsuki

Durarara!! - Baka-Tsuki

Baka-Tsuki

Which is the best and which is the worst Fate stay/night : r/Fate

Shinji Matou, TYPE-MOON Wiki

Fate/Zero - Baka-Tsuki

Fate/Zero - Baka-Tsuki

Baka-Updates Manga - Sagashimono Manga, Manga to read, Online manga

Fun fact: there was a digital card game called Fate/Zero: Next Encounter that featured alternate Master/Servant pairings : r/grandorder

Baka to Test to Shoukanjuu - Baka-Tsuki

Shinmai Maou no Keiyakusha:Volume 8 - Baka-Tsuki

Baka-Tsuki

Fate／Zero（1）第四次聖杯戦争秘話 [Dai Yonji Seihai Sensou Hiwa] by Gen Urobuchi

Fate／Zero（1）第四次聖杯戦争秘話 [Dai Yonji Seihai Sensou Hiwa] by Gen Urobuchi