| Story | Acceptance Criteria |
|-------|---------------------|
| US‑1 | 1. Browse page lists ≥ 30 drama titles.
2. Filters work in combination (e.g., “Romance + JLPT N3”).
3. Clicking a title opens a Detail page with thumbnail, synopsis, episode list, and age rating badge. |
| US‑2 | 1. Dual subtitles toggle shows both tracks simultaneously with distinct colors.
2. Switching language updates instantly without re‑buffering.
3. Subtitle timing stays synced after seeking. |
| US‑3 | 1. Clicking any Japanese word opens a pop‑up containing: furigana, English definition, audio clip, example sentence.
2. Pop‑up appears within 150 ms.
3. Video pauses automatically; resumes when pop‑up closed. |
| US‑4 | Same as US‑3 – verified by automated UI test (Cypress). |
| US‑5 | 1. Practice mode button appears on Detail page.
2. User can set playback speed (0.5‑2x) and loop a segment.
3. Recorded voice is saved locally and can be compared with native audio waveform. |
| US‑6 | 1. Quiz appears after final episode.
2. Minimum passing score = 70 %.
3. Result stored in learner’s progress page and visible in analytics. |
| US‑7 | 1. Settings page includes “Content Age Filter” toggle.
2. When set to “All‑Ages”, titles flagged “Mature” are hidden and cannot be accessed via direct URL. |
| US‑8 | 1. Ingested video automatically triggers STT job.
2. Generated subtitle file passes quality gate (> 95 % word‑error‑rate < 5 %). |
| US‑9 | 1. Download button visible for premium users only.
2. Downloaded content can be played offline for 30 days.
3. DRM prevents copy/paste of raw video files. |
| US‑10 | 1. Analytics dashboard shows per‑title metrics (watch time, vocab look‑ups, quiz scores).
2. Data refreshed every 24 h; export to CSV works. |
Japanese drama series, known as "dorama" or "television dramas," have gained immense popularity not only in Japan but also worldwide. These series cover a wide range of genres, including romance, comedy, science fiction, and historical drama, offering something for every kind of viewer. The entertainment value of these dramas, coupled with their educational potential, makes them a significant cultural export of Japan. DVDES-591 3 Sex Education For Want To Tell The ...
| Persona | Motivation | Pain Point | How this feature helps | |---------|------------|------------|------------------------| | Mika – The “Culture‑Hungry” Learner (age 22, university student) | Wants to understand modern Japanese slang and social cues | Textbook dialogues feel artificial | Watching current dramas gives natural speech patterns & cultural context | | Ken – The “Busy Professional” (age 35, corporate) | Needs bite‑sized learning during commute | No time for long study sessions | Ability to pause, get instant vocab pop‑ups, and resume later | | Aiko – The “Parent‑Tutor” (age 40) | Wants safe, age‑appropriate content for her child | Unsure about age‑rating of Japanese media | Filtered “Family‑Friendly” drama playlists, parental controls | | Ryo – The “Content Curator” (age 28, internal) | Needs to quickly tag & schedule new titles | Manual metadata entry is slow | Automated transcript generation + tagging workflow | Japanese drama series, known as "dorama" or "television