Reacting on someone's my day doesnt mean may gusto sila sa inyo or crush kayo. It can be dahil nag autoplay or what kaya naglalike or dahil kakilala kayo kaya naglalike.
However, masasabi mo na may gusto sya sayo if madalas sya makipagchat sayo pag chinachat mo and may nakikita kayong subtle hints ng pagfliflirt.
By that time, you can ask again ng advice (if need mo pa) kasi you confirmed na may gusto sya sayo. However, if you really like the girl without banking sa hunch na gusto ka rin nya, you can simply chat/ask her if pwede ba kayo lumabas just to hang out, chill ganyan, mga pasakalye na pwede mo gawin.