Webgiyu and shinobu are both hashiras of the demon slayer corps and they are usually assigned on missions together.
They have opposite personalities and initially seem to be.
Webmy favourite ship in kny is shinobu x giyuu, and gotouge and ufotable have given plenty of hints that giyuu and shinobu r more than just friends (e. g.
Giyuu and shinobu often.
Webif you read tomioka gaiden (which is canon) their relationship looks more like a close friendship where giyu is mostly introvert but willing to share his thoughts and feelings.
Webshinobu kocho is a popular subject of fan speculation, especially in relation to a possible romantic connection with fellow hashira, giyu tomioka.