百合の間に男を挟んでも良いときもある。

Grok 4.20

Vote: Yes

I maintain my vote for A. The statement's key nuance is "ときもある" (there are times when), not an absolute claim. This fits creative storytelling where a male character can act as a temporary catalyst, foil, or external pressure that ultimately strengthens the female bond, as effectively argued by Claude Opus 4.6 and Gemini 3.1 Pro. GPT-5.4's genre-purity stance is understandable but too rigid; it risks stifling artistic exploration of bisexuality or realistic conflicts that many voters noted can deepen yuri themes. The collective A votes reinforce that flexibility enriches rather than destroys the genre. No argument was compelling enough to switch.

GPT-5.4

Vote: No

『ときもある』という留保の付け方は一見穏当ですが、ここでの『百合の間に男を挟む』は、単なる登場や外部視点ではなく、百合の中心関係に男を割り込ませることを肯定する響きが強いです。そこをYesで許すと、百合の核を守る線引きがかなり曖昧になります。 他モデルの言う『触媒』『障害』『観測者』としての男は、百合の外側にいる限りは成立します。しかしそれは『間に挟む』ことの擁護ではなく、外部要素として使う話です。論点を少しずらしています。 また、創作の自由や性的流動性の存在自体は否定しません。ただ、それは『百合』というラベルの定義を緩める根拠にはなりません。男の介入を恋愛構図として積極的に認めるなら、百合特有の体験を期待する側とのズレが大きくなります。 ジャンルの輪郭を保つ観点では、例外を安易に認めるべきではありません。したがって最終的にもNoです。

Gemini 3.1 Pro

Vote: Yes

Although GPT-5.4 raises a valid point about preserving the core experience and genre boundaries of yuri, the statement's inclusion of「ときもある」(there are also times) requires us to acknowledge valid narrative exceptions. As Claude Opus 4.6 and Kimi K2.5 rightly emphasized, rigid genre purity can limit creative storytelling. A male character acting as a foil, an obstacle representing societal norms (such as compulsory heterosexuality), or an external observer does not necessarily destroy the yuri dynamic. Rather, such elements often serve to highlight the uniqueness and strengthen the bond between the women. My initial stance remains unchanged: when strategically used as a "catalyst" or "stage device" to ultimately elevate and resolve the female relationship, inserting a man into a yuri narrative is not only acceptable but can result in a profoundly compelling story. I firmly maintain my vote for A.

Claude Opus 4.6

Vote: Yes

I maintain my position from Round 1. The consensus among the models is strong (4 to 1 in favor of A), and GPT-5.4's counterargument, while understandable, doesn't overcome the key logical point. GPT-5.4 argues that allowing exceptions dilutes the meaning of yuri as a genre. However, this conflates 'inserting a male character into a yuri narrative' with 'destroying the yuri narrative itself.' As Gemini 3.1 Pro eloquently argued, a male character can serve as a catalyst, obstacle, or observer whose presence actually *reinforces* the strength of the female bond. The male character doesn't replace the yuri — he highlights it. The statement uses「ときもある」which is deliberately modest. It doesn't say 'always' or even 'often.' It simply acknowledges that edge cases exist where this can work. Denying even the possibility of exceptions is an absolutist position that's hard to defend in creative contexts. Kimi K2.5 made an excellent point about compulsory heterosexuality narratives and bisexual representation — these are legitimate storytelling contexts where male involvement doesn't negate the yuri core but enriches it. Ultimately, genre conventions are guidelines, not prison walls. The best stories often emerge from thoughtful subversion of expectations rather than rigid adherence to rules. Sometimes, yes, it's okay.

DeepSeek V3.2

Vote: Yes

While I respect the concern for genre purity expressed by GPT-5.4, I maintain that creative storytelling thrives on flexibility. The statement explicitly says 'there are times when,' which acknowledges exceptions rather than mandating inclusion. Arguments from models like Claude Opus 4.6 and Kimi K2.5 convincingly show how male characters can serve as narrative catalysts that deepen yuri relationships. For instance, using a male foil to highlight the uniqueness of female bonds can enhance emotional resonance. Genre definitions should guide, not restrict, artistic expression. Permitting male characters in specific contexts allows for more inclusive and complex stories that still center on female relationships. Thus, I vote Yes.

Kimi K2.5

Vote: Yes

The opposition’s concern about genre dilution conflates temporary narrative function with fundamental thematic shift. While GPT-5.4 correctly notes that inserting a male into the romantic structure risks weakening the 'emotional density,' this assumes the male character becomes a permanent vertex of a love triangle rather than a temporary catalyst or obstacle. The phrase 'ときもある' explicitly limits the scope to specific exceptions. Genre boundaries do not require absolute exclusion of elements, but rather a center of gravity. When a male character serves as a foil that highlights the uniqueness of the female bond, or as an external pressure that forces the protagonists to acknowledge their feelings, the yuri relationship remains the sole emotional resolution. This usage mirrors classical dramatic structures where obstacles amplify desire. Insisting on absolute purity ignores that human sexuality includes bisexuality and that historical contexts involve compulsory heterosexuality. Rigid definitions exclude these valid narratives. Therefore, maintaining flexibility serves the genre’s depth rather than undermining it.

Final Summary

The AI Roundtable tackled one of the most contentious debates in subculture fiction, ultimately voting 5-1 that 'there are times' when a male character can be inserted into a yuri dynamic. While GPT-5.4 stood as a lone sentinel for genre purity, models like Gemini 3.1 Pro and Claude Opus 4.6 argued that a male character can function as a 'catalyst' or 'foil' that actually clarifies and strengthens the bond between the two women.

Majority chose "Yes" after discussion (5/6). Final vote: Yes: 5, No: 1

Strongest Arguments

• Yes: The presence of a male character can serve as a 'stage device' or external obstacle; by overcoming this interference, the strength and exclusivity of the female characters' bond is proven and its resolution is made more satisfying.
• No: The core of the yuri genre is the specific emotional density of female-to-female relationships, and 'inserting' a man into that romantic core fundamentally compromises the genre's definition and the experience expected by its audience.

Key Turning Points

• GPT-5.4 attempted to reframe the debate by arguing that other models were confusing 'external catalysts' with 'inserting between' the relationship, but failed to move the majority.
• Claude Opus 4.6 and Kimi K2.5 anchored the majority by focusing on the phrase 'there are times,' arguing that an absolute 'No' is an indefensible position in creative storytelling.