『人はなぜラブレターを書くのか』主題歌コラボスペシャルPV｜主題歌「エルダーフラワー」（Official髭男dism）【4月17日(金)公開】

Revenue estimate

Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.

Total (all-time)$229 – $653