-kimetsu no yaiba- untold love

It was between the two of them, only. The water pillar and butterfly pillar of the hashira, had secretly loved each other. Despite Giyu's blank expressions and Shinobu's permanent smile, they both knew there was more to each other. Shinobu's blunt personality was quick to point out Giyu's actions toward her, no matter how much he tried to make it seem not obvious. Is it hatred they both share to each other, or indescribable feelings .