It's been a hot minute since I bothered with the Kitsune content at all, but I'm fairly sure that did indeed happen already as part of her quests, either leading up to the engagement crap or immediately following it. Maybe you ended up clicking past the page or haven't done the stuff that has you "play" as her (more exactly read from her perspective, as with everything Tobs does there isn't any relevant input from the player)?Why is the dude saying that kinu bangs Nanako though? that hasn't happened yet.
For obvious reasons I won't bother going through it again. The issue isn't just that 1 singular thing it's the entirety of what that review points out about the situation with the champion's supposed Kitsune family.