Hell Mode Season 2's New Opening Confirms the Rosenheim Arc — What Japan Said
ヘルモード2期OP、日本のファンの反応

On the official non-credit opening for Hell Mode's second season, Japanese fans piled up 78 comments on MBS animation's channel — and the most-liked one, at 36 likes, wasn't about the story at all. It was a joke about the studio's apparent love of synchronized clapping poses.
The joke already had a name ready to go: the ‘Saint Musou clap,’ because this apparently isn't the first time the studio has closed an OP with the full cast striking the same pose. From there the thread got more analytical, reading the ○×△□ motif as a statement about Allen's arc, and catching a genuine reveal — the season looks confirmed to run through the Rosenheim arc.
By the time the thread wound down, the pose jokes and the plot theories had folded into the same conversation: fans ribbing the studio's signature move while quietly admitting they'd miss it if it ever went away.
MBS animation's official channel posted the non-credit opening for Hell Mode's second season on July 3, and by the time the comment count settled at 78, the thread had spent surprisingly little time on the story itself. The single most-liked comment, sitting at 36 likes, doesn't mention Allen, the plot, or even the song playing underneath it. It's about a pose, and it set the tone for basically everything that followed.
“Does this production studio just have a thing for human-formation poses and clapping or something? lol”
この制作会社は人文字と拍手が好きなのか?w
Turns out that's not just a one-off jab at this one OP. Japanese fans already had a name ready to go for it, which means this has apparently happened before: the ‘Saint Musou clap,’ a full-cast, arms-out pose that closes the sequence out, followed almost immediately by everyone on screen turning to look straight into the camera at once. Enough people recognized it on sight that the joke landed within seconds of the video going up.
“This OP's got the 'Saint Musou clap' again too, lol”
今回のopも聖者無双クラップがあって笑った
Once the clap jokes ran their course, the thread got noticeably more analytical, moving on to something the pose jokes had been distracting from: what the OP's own title, '○×△□,' is actually trying to say about the season and its protagonist.
“Is the ○×△□ a PlayStation controller reference? And it saying 'none of the above' — is that about Allen finally accepting in season 1 that this world isn't a game?”
○×△◻︎ってプレステのコントローラーかな? それ「じゃない」ってことは、この世界はゲームじゃないってことを一期で自覚したアレンの心情なのかな?
“I genuinely love this OP, I keep rewatching it. The song's great, but the visuals feel amazing too — every character gets a cool shot, and it's instantly clear season 2's theme is ‘meeting friends and building bonds.’ The way the ○✕△□ shape keeps changing during the chorus is fun on its own, but it also feels like it's expressing ‘you can't change alone,’ which gets me a little emotional. Allen's charm — loving this world without being self-absorbed about it — really comes through. I think it's a genuinely rich OP that captures everything good about Hell Mode.”
OPが本当に好きで、何度も見返しちゃう 曲の良さはもちろんだけど、映像の気持ちよさがすごい 各キャラ格好良いカットもあって、2期は「仲間との出会い・友情」がテーマだってひと目でわかる熱さ サビの◯✕△□の形が変わるところ単純に面白いんだけど、「一人じゃ変われない」ということまで表現しているように感じて、じんとくる 独りよがりにならず、異世界を愛しているアレンの魅力が滲み出ている、本当に味わい深いヘルモードの良さが詰まったOPだと思う
Buried in between all that visual analysis was an actual plot reveal, the kind that usually gets its own headline rather than a reply from a stranger under an opening video: the OP appears to confirm exactly how far this season is going to run.
“So the Rosenheim arc is confirmed for this season! Happy about that”
ローゼンヘイム編まで確定なんだ!うれしい
After that, the rest of the thread turned into a frame-by-frame hunt for details, the kind of close-reading only people who'd already sat through season 1 more than once were going to catch on a single watch-through of the new footage.
“Yokohama Animation Lab probably treats that as one of their proven hits, so they keep paying tribute to it.”
横浜アニメーションラボではアレが成功したアニメとしてリスペクトしてるんだろうな。
By the end, nobody in the thread had actually argued the pose was a bad idea. If anything, they spent 78 comments proving, joke by joke, that they'd notice — and be a little disappointed — the day it finally disappeared from an opening. That's a lot of affection to squeeze out of a clip with no story beats of its own, built entirely around one recurring pose and a single song.
FAQ
- What's the running joke Japanese fans have about the Hell Mode season 2 opening?
- Commenters immediately clocked a full-cast synchronized clapping pose near the end of the OP and gave it a nickname, the ‘Saint Musou clap,’ joking that the studio (Yokohama Animation Lab) seems to reuse the same pose — down to the whole cast turning to stare into the camera — across its opening sequences.
- What new story detail did fans spot in the OP?
- One commenter was excited to see the season confirmed to run through the Rosenheim arc based on what the OP shows, while another noted that season 1 had gotten small touch-ups and extra shots ahead of the rewatch.
- What's the theory about the OP's ○×△□ motif?
- One comment (13 likes) reads it as a nod to PlayStation's button symbols, arguing that the OP insisting it's ‘none of the above’ mirrors Allen's arc of realizing in season 1 that this world isn't a game. A longer comment adds that the shifting ○×△□ shapes during the chorus double as a visual metaphor for ‘you can't change alone.’
Hell Mode Episode 14: Kiel Joins the Party in Tears — What Japan Said
“Episode 2 genuinely made me cry 🥹”
Read this roundupThis is one of 2 Japanese-reaction roundups for Hell Mode. See them all →
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