유튜브 채널 좋아요 OpticDev


477,000 2.37%

364,000 3.05%

72,000 2.35%

835,000 2.77%



108,000 6.82%

12,800 3.23%

813,000 3.93%

1,030,000 4.83%

18,500 3.5%



1,760,000 2.76%


424,000 3.27%

137,000 2.47%

3,390,000 1.13%

247,000 1.43%