AoIno

InuAo is the HET ship between Inosuke Hashibira and Aoi Kanzaki from the Demon Slayer fandom.

Canon
Inosuke and Aoi first met when Tanjiro, Zenitsu, Nezuko, and Inosuke came to the Butterfly Estate due to injuries after the fight on Mount Natagumo.

Fanon
The ship most likely started when Inosuke showed no restraint against her in the full body training.