Nagisa wants Kaito as a big brother plus maybe a little more, Nagi is not willing to let Kaito be to close to Nagisa even as a onii-san, Nagisa has feelings for Kaito as family but doesn't comprehend exactly what going on because with Nagi coming back into her life with Kaito, there is to many emotions to comprehend, the parents are happy to see their daughters getting along well, Kaito feels left out and is worried about Nagi's jealousy