The director of 777 Factory originated from Ming Kai, a former EDG wild player, and now the head coach of EDG. Because Ming Kai's ID is clearlove7, fans will brush "777" in some videos or live broadcasts in Ming Kai out of their love for Ming Kai, so this stalk has become popular on the Internet.

Ming Kai is the first batch of professional e-sports players in China, and has won many League of Legends professional competitions for China through professional competitions. Ming Kai changed the original ID "Clear Love" to "Clearlove7" during the S7 season in Ming Kai. Therefore, when Ming Kai is broadcast live, fans will use the barrage of "7777777" to express their love for Ming Kai, just like in some sports meetings, fans pull banners to cheer for the players.