Beneath the quiet gaze of the moon, long ago, two hearts swore a promise that the world would not honor. What lingered afterward was not love, but a shadow that threaded itself into generations, a tension whispered in glances, in portraits, in the weight of unspoken histories.
Now, in a time when crowns and duties dictate every step, the echo of that old vow drifts once more, brushing against those who never knew its origin. Love finds itself in the same place, underneath the moon they swore, fragile and patient, waiting for hands bold enough to reach for it again.
⚠This story contains manga spoilers!⚠
Giyu and Shinobu have a long past full of hatred and disagreements. They are forced to converse due to their positions as hashiras and responsibilities... remaining professional. But how will Giyu react when he finds out that his pestering companion is secretly planning to k*ll herself to defeat upper moon 2?