This profitable EdTech SaaS teaches Korean through a structured, curriculum-based platform and launched in November 2025, generating $34K+ in TTM revenue with 82% net margins. V3 features include: a full grammar curriculum (beginner to intermediate, 30+ structured lessons), a 122K+ flashcard database, 15K+ verb conjugation drills, a 24/7 AI tutor for personalized practice, and a built-in community with leaderboards, battles, and messaging. The platform also includes 100+ SEO-optimized bilingual lyrics pages (French & English) driving organic traffic. Currently serving the French-speaking market with the English-speaking market (10x larger) completely untapped. Payments handled via Paddle (Merchant of Record) — no Stripe compliance overhead for the buyer. Built on Next.js 15 + Supabase + Vercel, the codebase is clean, modern, and easy to maintain or extend.