Task: Analyze the tweet's emotional connotations and classify it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best portray the tweeter's mental state.
Tweet: So I'm not being shady but one of Jongdae's ex rumoured girlfriends is going on WGM I'm not saying I'm over joyed but I'm over joyed #bitter
This tweet contains emotions: 
joy