i need advice TT

hi! i’m in my first wlw relationship & i need help

i’m a fem & my gf is a soft masc. she’s great w pleasuring me & one way sya. then on our first night, napa two way ko sya but the problem here is… she didn’t reach orgasm :( i ate her for a good 30 min pero wala talaga eh T~T maybe i was doing it wrong or what? i did all the technique naman and she told me “she’s not ticklish” daw. i did it with my finger pero hindi ko din alam paano or anong dapat ko gawin huhu

please lmk ur tips & thoughts on this 😭