[Birthday] Riona bursts into laughter at giant rooster sound right after lying on blue tarp

During Riona Hibiki's birthday sleep endurance stream, she lies down on a blue tarp by the riverside. However, a giant rooster sound effect—managed by her manager as a sleep disruption prank triggered by subscriber growth—rings out far earlier than expected. Startled, Riona bursts into laughter. Viewers erupt with comments like "No way she can sleep," creating a chaotic yet heartwarming scene of non-stop interruptions.

* Title and summary are auto-generated and may differ slightly from the actual content.