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Online dating rumors involving BLACKPINK's Jisoo and actor Seo Kang-joon are currently circulating, primarily driven by social media speculation rather than official reports. The buzz began in September 2026 with overseas SNS posts comparing their public photos and activity timelines, quickly spreading to domestic online communities.
Specific 'evidence' cited by fans includes similar Instagram profile photos, alleged simultaneous stays in New York, and observations of similar ring designs, leading to 'couple ring' suspicions. Additionally, Seo Kang-joon was rumored to have attended a BLACKPINK concert. The two artists also co-starred in the 2026 Netflix series 'Monthly Boyfriend,' where they played romantic leads, further fueling the speculation.
However, local bloggers emphasize that these claims are entirely based on online users combining public photos and schedules, presenting them as unconfirmed conjectures. There is no official confirmation or photographic evidence proving a relationship, and celebrities often wear similar accessories due to endorsements or personal style, making design similarities insufficient proof of dating.
