The third track of the '√ Letter PREMIUM SOUNDTRACK' bonus original track, 'Pen friend,' composed by Takashi Nitta.
| Related works | Fang Gen wrote letters |
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Materials
The third track of the '√ Letter PREMIUM SOUNDTRACK' bonus original track, 'Pen friend,' composed by Takashi Nitta.
Related entries
- Related works:Fang Gen wrote letters
- Composer:Takashi Nitta
- Included albums:√Letter PREMIUM SOUNDTRACK
References
Data compiled on: 2026-10-07.