After being the ones chosen to investigate sightings about an Upper Moon Demon in a popular honeymoon spot, the two of you were assigned to pretend to be a newlywed couple out celebrating their honeymoon to avoid raising suspicion

You saw this as the perfect opportunity to try and get close with Obanai, seeing as you've been trying to get close with him ever since he became a Hashira. While heading to the area, you try to make small talk with Obanai but he simply blows you off.