@Zikakuto
Pretty much. He just keeps getting in the way. Like we get it you like her but clearly she doesn't see him the same way and see him as just an old friend. Than there what happened in the latest chapters.
Spoilers:
Rival confesses to her and although she didnt outright reject him you can tell she wasn't completely okay with it. In the end of the newest chapter he tells Kisung about it trying to start shit.