Which Hello! Project OG Has the Most ‘Kojirase’ (Obsessive/Twisted) Fans? 5ch: ‘That Reply Just Scored Big on the Obsession Meter’

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The story

On 5ch’s Hello! Project board, a thread asking “Whose fans are the most ‘kojirase’ (obsessive/twisted) among Hello! Project OGs (graduated members)?” set off a heated debate. Each OG who has left Hello! Project still has a loyal fanbase, and posters kept nominating names based on behavior at events and sheer posting volume on the boards — Sasaki, Ishida, and Kitagawa were among the names repeatedly brought up. Meanwhile, the claim that “fans of OGs who are doing well, like Airi and Sato, aren’t obsessive” was met with the retort “thinking that way is itself proof you’re obsessive,” and the thread never agreed on just what counts as being ‘kojirase’ in the first place.

What people said

1AnonymousNov 8, 2026 20:30
Probably that one person, right?
2AnonymousNov 8, 2026 20:31
Wait, is Chinpon the obsessive one? (nickname/pun, reference unclear)
6AnonymousNov 8, 2026 20:32
Re: #2
Could you please stop looking at Rikoriko that way?
7AnonymousNov 8, 2026 20:33
I think it's proportional to how many threads there are about them.
11AnonymousNov 8, 2026 20:35
Re: #7
Isn't that just haters stalking the thread?
29AnonymousNov 8, 2026 20:48
Fans of OGs doing great, like Airi or Sato, aren't obsessive, right?
36AnonymousNov 8, 2026 20:50
Re: #29
You don't even realize that THAT is exactly the obsessive part lol
42AnonymousNov 8, 2026 20:51
Re: #29
What exactly about Sato is 'doing great'?
49AnonymousNov 8, 2026 20:54
Re: #42
She's doing all kinds of things, so she's doing great — basically the next Airi.
76AnonymousNov 8, 2026 21:01
Re: #49
You're seriously underestimating Airi.
65AnonymousNov 8, 2026 20:58
If anything, fans of Takeuchi, Ishida, Uemura, and Sasaki don't even show up on Ookami (the fan BBS) anymore lol — that's a problem before you even get to 'obsessive' lol
69AnonymousNov 8, 2026 20:59
Re: #65
Ishida's fanbase is probably bigger than it looks, just lurking quietly.
78AnonymousNov 8, 2026 21:01
Both Ishida and Sasaki still do live events though?
110AnonymousNov 8, 2026 21:10
Re: #78
Ishida's mainly doing stage plays, so her fans want to go wild but there's no event to do it at. Though they exploded at the JPR Thanksgiving Festival.
79AnonymousNov 8, 2026 21:01
Airi's fans monitor every single thread lol — one of them admitted it themselves before.
89AnonymousNov 8, 2026 21:03
Re: #79
That's just a troll stirring things up for fun.
81AnonymousNov 8, 2026 21:02
Kitagawa's fans were out of control for a while, but they seem happy now.
100AnonymousNov 8, 2026 21:06
Re: #81
Happy, are they?
The desperate ones get completely ignored by Kitagawa at events though.
83AnonymousNov 8, 2026 21:02
Not naming names, but it's a downer when someone's activity centers on stage plays with no guaranteed quality.
Also not naming names, but it's exhausting watching people gush over streams and variety shows that aren't even that interesting.
Nothing beats the reassurance of concert-centered activity with Hello! Pro songs.
92AnonymousNov 8, 2026 21:04
Re: #83
Who, Iikubo? lol
93AnonymousNov 8, 2026 21:04
The one who went from Juice=Juice to 'Ocha' (fan nickname for another unit/group).
96AnonymousNov 8, 2026 21:06
Re: #93
Don't talk trash about Tsubo-san! 🤬
103AnonymousNov 8, 2026 21:07
Kitagawa's fans are surprisingly well-behaved.
Maybe they've found peace now that she became a news announcer.
116AnonymousNov 8, 2026 21:11
Re: #103
There are still a few scary ones around, but Kitagawa's completely cut them off, so they might eventually give up.
117AnonymousNov 8, 2026 21:11
I wouldn't exactly call myself a Sasaki fan, but I do think she should be more successful than she is.
124AnonymousNov 8, 2026 21:13
Re: #117
Between Akiyama, Sasaki's fans, and Sasaki herself, there's enough going on to tank something that could've actually sold.
130AnonymousNov 8, 2026 21:14
With Asakura, Shimakura, Kamiko, and Oda joining, even the M-Spe lineup is turning into a seat-grabbing scramble.
138AnonymousNov 8, 2026 21:16
Re: #130
Isn't M-Spe going to be split into two shows?
141AnonymousNov 8, 2026 21:16
Karin's just doing what she personally finds fun.
Don't treat her like she's crazy just because you don't get it.
145AnonymousNov 8, 2026 21:17
Re: #141
NOW this is what being obsessive looks like.
146AnonymousNov 8, 2026 21:17
Watching M-Spe really drives it home — even stacked up against other OGs, Ma-chan's singing is just overwhelming.
156AnonymousNov 8, 2026 21:19
Re: #146
That reply just scored big on the obsession meter, you're taking the lead now.
150AnonymousNov 8, 2026 21:18
Sasaki never did anything on her own, after all.
No idea if she'll team up with Akiyama or with Kamiko though.
155AnonymousNov 8, 2026 21:19
Re: #150
She said she won't do it unless Kamiko is the one who asks first.

Background and Key Points of This Discussion

Hello! Project calls members who have graduated (left the group) “OGs.” Since each OG goes on to a different kind of activity after leaving — stage acting, YouTube, variety shows, and more — the intensity and visible behavior of their respective fanbases varies widely from member to member. What really split the thread was the definition of “kojirase” itself: some pointed to posting frequency or conspicuous behavior at events as the marker, while others argued that “the quiet-looking ones are exactly where the dangerous fans are hiding,” and the two sides never agreed on which trait truly defines being “kojirase.” Readers should note that all the character assessments and behavioral claims raised in the thread are individual impressions and hearsay from an anonymous message board, not confirmed by the members themselves or any official source. Posts that flatly disparage specific members or fans have been excluded from this article.

*This article is compiled from excerpts and a summary of the 5ch (Hello!Project board) thread “Whose fans do you think are the most ‘kojirase’ (obsessive) among the OGs??“

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