| Nakagawa Haruka | |
| Series: | AKB48 Murder Mystery |
| First Appearance: | File 5 |
| Last Appearance: | File 5 |
| Number of Episode Appearances: |
2 (File 5, Testimony File) |
| Actor: | Nakagawa Haruka |
| Harugon's Testimony | |
 | |
- "Right, the motive for targeting Mayuyu might be… Well, the person aiming for center of Watarirouka Hashiritai 7 didn’t come this time… Hmm… If only we knew the motive, we’d soon know who did it…"
- ―Nakagawa Haruka's Testimonial[src]
Nakagawa Haruka (仲川遥香?), nicknamed Harugon (はるごん?), Gon (ごん?), Harusan (はるさん?), and Haruka (はるか?), is a member of AKB48's Team A. She was based on and is portrayed by Nakagawa Haruka.