Green haired Kaiba from the Toei anime/season 0 just hits different, I love how insane he looks 💚 It’s a bit hard to find toei stuff for reasonable prices these days T^T
When I saw Kisara’s silhouette shown in Kaiba’s eye in the second picture, a thought came to my mind: Kisara is where Atem is, meaning Duat, the world of the dead. And for the dead to be there, according to @kaleidraws’s post, one need all their parts — Ka (essence), Ba (personality), Sheut (shadow), Jb (heart), and Ren (name) — and a priest doing all the necessary spells and rituals to receive judgement from Anubis and, if determined a good person, to spend eternity happily in the afterlife. In other words, for Kisara to still be a spirit even after around 3000 years, Priest Seto must have fufilled all the requirements to give her a proper burial. Manga!Priest Seto is undeniably more twisted than his anime counterpart, but I find it beautiful how he ensured that Kisara would have a comfortable afterlife.
(If Takahashi had had more time, he would have given us the relationship worthy of those lines.)
There’s also a certain tragedy to it. Because Priest Seto had to ensure Atem would get the eternal rest he deserved, he probably died without giving himself a proper burial so that he would reincarnate (which can be said the same for Isis and Shimon/Siamun). And knowing Kaiba’s refusal to acknowledge the connection between him and his past Egyptian life, I doubt he would follow the procedure of an Egyptain burial. This means he and Kisara will never be together and are only so as Duelist and Monster / guardian spirit.