shoujo-ai
Let us all look at him and laugh.
Though you're not far off about the rest.
As of this point in the story it's pretty obvious Kotori does not understand what romantic love is, and only deeply cares for Satoka in a platonic way.
It really is a shame Tsubomi was canceled, this story could have gone on for a while.
Regardless of what the term shoujo ai may have meant at one point, the internet now uses it as a word to describe exactly what he meant. Get with the times man. I bet wen someone calls a gay guy a faggot, u start talkin bout bundles of sticks huh? Smh