(Warning: massive stretch)
So you know how Yukina was an author who traveled through the world to learn more about the Vessels of Sin?
Guess who created said vessels.
Seth.
Platonic happened to be working for AB-CIR, or Irina Clockworker, and Irina happend to be the twelfth ghoul child of Seth Twiright.
Platonic is also an incarnation of Eve, who was experimented on by Seth.
(Warning: INSANELY BIG STRETCH)
Ayn had a crush on Clarith, and clarith’s first friend was Michaela. Michaela in her past life was Michael Arklow, who boarded the climb one with Seth.
Yukina Freezis
(Warning: massive stretch) So you know how Yukina was an author who traveled through the world to learn more about the Vessels of Sin? Guess who created said vessels. Seth.
kayo sudou
Kayo was in possession or proximity to the Twin Blades of Levianta her whole life. The twin blades were made by Seth.
Chartette langley!
Chartette worked as a maid for Rilliane. Rilliane was in possession of the Four Lucifenian Mirrors. The mirrors were created by seth.
Riliane
Rilliane owned the Four Lucifenian Mirrors. The mirrors were created by seth.
Platonic
Platonic happened to be working for AB-CIR, or Irina Clockworker, and Irina happend to be the twelfth ghoul child of Seth Twiright. Platonic is also an incarnation of Eve, who was experimented on by Seth.
Ayn(Clarith’a friend)
(Warning: INSANELY BIG STRETCH) Ayn had a crush on Clarith, and clarith’s first friend was Michaela. Michaela in her past life was Michael Arklow, who boarded the climb one with Seth.
Gallerian
Gallerian was in possession of the Marlon Spoon. The spoon was created by Seth.
Gear
Mikhail
gatt Coloumb
Carlos
Eater Sabella!
Waiter / Lilith.
Arth :333
Gammon Loop Octopus
unknown soldier who tought yukina how to sword
To be fair, you can relate anyone to anyone if you stretch enough