We developed a hybrid approach that acknowledges the limitations of generative AI and actively works to overcome them. Each scene was initially generated using AI, then refined through meticulous post-processing to remove the characteristic awkwardness and achieve smoother, more natural motion. Frame interpolation, motion smoothing, and color grading techniques were applied to establish a consistent visual tone throughout. Iconic scenes often seen in Japanese animation—like falling cherry blossoms, emotional farewells at train stations, and neon-lit Tokyo streets—were translated into AI prompts to evoke a sense of nostalgia. The most important goal was to reduce the sense of artificiality and add emotional resonance. Emotional nuance was layered onto the AI-generated footage through manual refinement, while sound design and music were used to deepen the emotional impact. Through this process, we established a new production workflow that blends the efficiency of AI with the sensitivity of human creativity.