Kayo/Luka

kayo is kniting a kimono as she usually does. then you see her look over at the window and stops kniting. she stands up to go see what kaito was doing. "huh? who on earth is that girl next to him?" it's RIN who got bought a hairpin by kaito. she goes back to uniting and you don't know if she likes him or she's her husband and he is in a family he doesn't want her to know about.