hmm chisa doesnt seem to care much, and sakurako seems to really like him (in her own way). For now i would ship sakurako and Mc, but i guess chisa will win this bet, and we will have a very small development with chisa and blocking sakurako, and that will be the end of okinawa arc.
i'm curious about the aunt and her suspicious husband, even more that she's inteligent and didnt got the heritance, maybe she's dumb when it comes to the husband?