I was confused bcoz its been a while since i read this and barely rrecall the plot... What...

Pretty sure they also didn't know what they are (－＿－)

It can be interpreted in many ways and is, for the moment at least, up to the readers to determine their relationship. As it is still ongoing, let us hope the connection between Satomi and Kyouji continues to grow into something that will make both happy, as Yama Wayama has planned.