Neptune square Lilith (orb 5°) creates concrete friction between the two planets. The orb is moderate; it stays secondary beside tighter signatures.
Here, Neptune in Libra in House 9 brings imagination, image, popularity, collective moods, and inspiration into House 9 (vision, belief, study, and wider horizons), with Libra style (relationship, balance, negotiation, and sense of form); Lilith in Capricorn in House 12 brings pure ideal, absolute demand, fascination, and refusal of compromise into House 12 (retreat, contemplation, long time, and possible confinement), with Capricorn style (structure, ambition, responsibility, and long construction).
Concrete friction: this aspect puts Neptune (imagination, image, popularity, collective moods, and inspiration) and Lilith (pure ideal, absolute demand, fascination, and refusal of compromise) into repeated friction: one can interrupt, inhibit, or provoke the other in concrete situations. Visible angle: Lilith near the Rising sign (orb 2.8°) touches an angle; this aspect is easier to notice through first impression, body language, reflexes, and entry style. House 9 (vision, belief, study, and wider horizons) is in friction with House 12 (retreat, contemplation, long time, and possible confinement); this can create blockage, inhibition, overreaction, or repeated conflict between the two fields.