찌니
계단운동 왕복 5번 대단하십니다 응원합니다
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I am walking diligently on the stairs.
It's a pain to go up and down five times on the 20th floor, but once you do it, it's manageable.
Since it's good for strength training, let's all practice it together!
Let's all cheer up! Go, go! ♡