| Goal | Success Metric | Target | |------|----------------|--------| | Increase learner engagement | Avg. daily watch minutes (DWMs) per learner | +30 % vs baseline | | Improve language proficiency | Pre‑/post‑test score lift (JLPT N4‑N2) for participants | +0.8 CEFR band | | Drive revenue | New premium subscriptions attributed to “Drama” bundle | 5 k new users / month | | Content compliance | % of videos cleared by legal for copyright & age rating | 100 % | | Platform performance | Avg. video start‑up latency | < 2 s (95 th percentile) |

For collectors of Japanese cult media, finding an original copy of the specific (or the correct press of that era) is akin to finding a punk rock bootleg. Key identifiers include:

DVDES-591 — framed as a sex education module for those who “want to tell” — should prioritize accuracy, empathy, and practical communication skills. Equip presenters with factual content, role-play practice, inclusive language, and clear referral resources so conversations about sex become safer, clearer, and more effective.