[Mystery ED] Riona Hibiki Orders "Inhale 16s, Hold 45s, Exhale 1min" in a Bizarre Clip

After reading superchats and bidding farewell, a mysterious video begins with "So what happened then, nya," where Riona Hibiki issues grueling mindfulness instructions: "Inhale for 16 seconds, hold for 45, exhale for 1 minute." Viewers were swept up in a wave of "wakame" poses and pained laughter.

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