The The K4SEN Con 2025 badge was announced on the official Twitch Japan account on X.
It was given out for free for watching 30 minutes of streams on the k4sen channel.
The event ran from 2025-11-22T01:00 to 2025-11-24T13:00
However, despite the fact that the badge was announced as global in the original post, it was initially added as a channel badge.
Only on December 5 did Twitch finally add this badge as a global one. No additional action was required from users; it automatically became global for everyone who received it during the event.
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