Identical twins are seen as a single soul split into two 0.5.24 . To appease the "Hellish Abyss" and prevent darkness from spilling out, the twins must become one through ritualized sacrifice 0.5.3, 0.5.4 .
A breakdown of the and how to achieve them. Amakura Twins
The older twin, characterized by her introversion and extreme spiritual sensitivity 0.5.8 , 0.5.11 . This sensitivity makes her a frequent target for possession by the village's vengeful spirits, specifically Sae Kurosawa , the antagonist of the original failed ritual 0.5.3 , 0.5.23 . The Crimson Sacrifice Ritual Identical twins are seen as a single soul split into two 0
In Minakami custom, the twin born second is considered the elder, as it is believed they were strong enough to push their sibling out first 0.5.4, 0.5.13 . specifically Sae Kurosawa