Rias Gremory & Akeno Himejima

Asia Argento, Xenovia Quarta, Rossweisse & Irina Shido

Ravel Phenex

Nero Claudius, Artoria Pendragon (Saber) & Jeanne D'Arc

Miyamoto Musashi

Scathach

Enterprise & Belfast

Kaga & Takao

Bismarck

Amiya

Pramanix

Kjera

Degenbrecher

Monch

A/N: Before I start the prologue, there will be some changes. Issei will be less perverted, Claire Phenex is Riser's sister and Y/N's friend, and Kuroka met Y/N since they were children.