The beginning of a not so happy ever after

The hashira's get captured, giyuu and shinobu were the first to wake up. Shinobu never realized how much she cared for something<or someone ;)> until it was gone. Giyuu made the ultimate sacrifice.

TW: some smut, angst, rape,
Ships: one sided GiyuShino, mentioned SabiGiyuu
I don't know how to describe Muzan's and Giyuu's relationship as I don't ship it, it is implied in a way