yeah exactly, she knows to recognise what she's feeling as being in love, but it feels kinda inexplicable to her, like she can't name any particular standout moment or character trait to justify it, it's just "huh, I've fallen in love with this girl"
guys I don't think Hina didn't respond because she's going to reject her or anything, it's just because they heard Asuka's footsteps running away and it interrupted them. That's Ayumu saying "senpai?" at the end there. I think it's gonna break the moment and then Hina will get confessed to by...