Short answer — places to check (Malaysian sites that are selling denim mini skirts in 2025):

• ZALORA Malaysia — large multi‑brand fashion marketplace (Zalora often features denim mini skirts from local and international labels). (zalora.com.my)
• Pomelo (Malaysia) — Pomelo’s MY site carries pleated and high‑waist denim mini/skirt styles. (pomelofashion.com)
• Love, Bonito (Malaysia) — Love, Bonito’s MY store lists several denim mini/A‑line mini skirts. (lovebonito.com)
• Mango Malaysia — Mango Malaysia shows denim mini‑skirt product pages (classic/teen lines). (shop.mango.com)
• Tommy Hilfiger / Calvin Klein / other brand stores with Malaysian sites — global brands with local e‑shops often list denim minis. (examples: Tommy, Calvin Klein). (my.tommy.com)
• Pom/High‑street & local retailers: Urban Revivo, London Rag, SaturdayClub — each has denim mini skirt product pages on their Malaysian sites. (urbanrevivo.my)
• Marketplaces for a wide range (new, budget, vintage, indie sellers): Lazada Malaysia and Shopee Malaysia — lots of denim mini skirt listings (including 2025 seasonal listings). (lazada.com.my)
• Specialty / sports fashion retailers: JD Sports Malaysia carries branded denim minis (Juicy Couture, Majestic, etc.). (jdsports.my)

Trend context: denim mini skirts (including micro‑minis, pleated minis, asymmetric cuts and denim skorts) experienced a clear resurgence in 2025 — you’ll see runway and street variants across the shops above. (byrdie.com)

If you want, I can:

• Pull current product listings in a specific size/wash from any of the sites above (I can show 3–5 live items), or
• Search only Malaysian independent designers/vintage sellers for unique denim minis.