After School Club is probably not so popular because it doesn't air on the main channels in South Korea. But it is popular among non-speaking Korean fans since the MCs talk in English, which is a perfect and great way to communicate with your favorite idols, don't you think? 

See also:

WJSN On Weekly Idol EP. 390

Got7 as a whole group doesn't have any activities together these days, but JJ Project just released a new comeback after a few years, so check it out. 

Request made by roronoastfu.