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The story
Yuha Yamazaki, formerly of BEYOOOOONDS, has announced the release of her 5th single, “Osahou-san.” The announcement sparked a thread on 5ch’s Hello! Project (“Halpro”) board, drawing plenty of reactions.
What stood out in the thread was the split in opinion over whether leaving Hello! Project was actually the right call for her. Some posters were positive, arguing that “the release pace is fast and the costumes look expensive — leaving clearly meant something.” Others were more sarcastic, saying things like “isn’t this just Hello! Project with a different label?” and “this is the most BEYOOOOONDS thing she’s ever done.” As of this writing, no composer has been officially confirmed — only names floated as speculation within the thread.
Yuha Yamazaki
@yuhane_official
5th Single “Osahou-san” — Release Confirmed‼
Source: ultravybe.lnk.to / Original article here
What people said
But if Sho Hoshibe is composing, she's got that E-Tele (NHK's kids' channel) connection
Let's outsource the web promo to Karin-chan
Digitally, yes
Physically the only release was her 1st EP — this is actually her 1st physical single
Right? lol
They're killing her naturally pretty eyes
Nah, they actually give her a nice vibe
Wait, are you being serious?
There was the EP album
Either detch or Kuroma
Well yeah, if you're stuck in a group that only releases once a year, of course the frustration builds up
Uh, it hasn't even gone on sale yet?
https://e.usen.com/image/3b08b73734b4b523422ba1e05a796d99491e63b5.jpg
Guess that means there was no point leaving BEYOOOOONDS after all
The release pace is insanely fast
She gets to sing the whole song solo, start to finish
The costumes clearly cost money
Isn't that already reason enough that leaving was worth it?
[Official] Speaky
@officialspeaky
／
🧢 Appearing at 'GIGA•GIGA SONIC'! 👀
🎧⚡ Look forward to it!
＼
🗓 Sat, Oct 17
⏰ Doors/Start 11:00 / 12:00 (subject to change)
📍 Makuhari Messe International Exhibition Hall 7-8
🎫 Details TBA
🎁 Meet & greet included
Timetable and details to be announced later
#GigaSoni
#YuhaYamazaki
https://pbs.twimg.com/media/HQzBUOUa4AAy4o4.jpg:orig#.jpg
6:00 PM · Aug 28, 2026
Background and Key Points of This Topic
“Osahou-san” is the 5th single announced by Yuha Yamazaki, formerly of BEYOOOOONDS, with the announcement coming not through a major label but via the distribution-link service “ultravybe.” Thread opinion split on a single question: was leaving Hello! Project actually the “right” choice for her? Some posters pointed to the costumes, creative freedom, and fast release pace as evidence that it was, while others took a cooler view, saying things like “she just switched labels” or “she’s doing the same kind of thing she did in BEYOOOOONDS.” As for the composer, names like “detch” and “Kuroma” came up, but it’s worth noting these are just speculation within the thread at this point, not an official announcement. Also, while this is being called her 5th single, some replies noted that physical distribution has only happened once before, with her 1st EP — meaning this is actually her first physical single — pointing to a career built mainly around digital releases. The fact that the title itself is hard to read also became a talking point.
*This article was compiled from excerpts and a summary of the 5ch (Hello! Project board) thread “[Breaking] Yuha Yamazaki Announces 5th Single “Osahou-san”‼.”
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