Show GN: 다 푼 문제지를 깨끗하게 만들어주는 AI

This AI-powered tool solves a genuine household problem by automating the removal of handwritten answers and markings from worksheets, enabling unlimited reuse of study materials. It exemplifies how computer vision can add practical value to everyday educational workflows, transforming what would otherwise require manual erasure and lead to material degradation. The accessible pricing model—one free sheet with per-sheet micropayments afterward—demonstrates an emerging pattern of utility-first AI applications targeting real family pain points.