Build a Learn-Japanese-with-MVs app with TTS

Goal: Build a language-learning app using a new TTS model.
Setup: agents used in source: Claude; tools/MCPs stated: LINE Bot.
Steps:
1. Pick lyrics/lines from music videos.
2. Generate pronunciations with the TTS model.
3. Wire it to a web app or LINE Bot.
Rules: ask me before anything irreversible (sending, posting, paying, deleting); don’t invent data, results or tools I haven’t given you; tell me what you couldn’t verify.
Based on: Evan Lin — https://dev.to/gde/ai-in-practice-gemini-38-flash-tts-launch-i-built-a-learn-japanese-with-mvs-web-app-and-4o79 (summarised from source; the source has no explicit step list)

Steps are our summary of the source (it has no explicit step list). Includes a “Based on” credit line.