のようなYouTubeチャンネル PreventionInstitute1


1,020,000 3.13%

38,800 0.99%


1,540,000 2.64%

9,470,000 2.63%

3,390,000 1.13%

20,400,000 2.43%

3,210,000 2.78%

1,300,000 2.7%

1,330,000 3.39%

10,500,000 3.02%