Here’s what you need to know and where you can find it:
I understand you're looking for the manual, specifically a "long paper" version (likely meaning the full, original, detailed user manual, not just a quick start guide). yupiteru vt-125 ii manual
The Yupiteru VT-125 II is a vintage 1980s multiband receiver (often called a "scanner" or "communications receiver"), covering AM/FM broadcast, air band, VHF low/high, UHF, and sometimes 10 meters. It’s well known for its unusual “keypad” tuning system and paper tape printout feature (hence your mention of "long paper" — it could print frequencies and memory data on thermal paper). Here’s what you need to know and where