Hangeng hints in trailer for documentary that he will talk about his trainee and artist days under SM

Past Super Junior member Hangeng is garnering interest for mentioning in his upcoming documentary the days he spent as an artist under SM. 

On his Weibo, Hangeng left a message that went, "Hello at the place where it began, my last album," and revealed a two minute thirty second long trailer for his documentary. 

In the short clip, scenes of Hangeng's past as a trainee, activities as a member of Super Junior, and his promotions in China flash by, chronicling the hectic life he led as an entertainer. The singer landed in Korea again to visit SM and the dormitories he used to live in while he was a part of the label. Hangeng's health trainer, who is close to the singer, said, "I only like Hangeng. I feel sorry towards the other Super Junior members, but [Hangeng] was the nicest." 

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As soon as this teaser was released, many people are wondering what kind of things Hangeng will say about SM. Further, fans are speculating that Hangeng will officially halt his activities as a signer as the message on his Weibo read "my last album." 

Hangeng's documentary chronicling his life from his debut up until the present will premier next year in January.