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Yesung shared for his first post on Instagram, "Joined Instagram^^ Oomha~ With Yunho who visited 'Mouse Rabbit'^^", and confirmed it's the real deal through his Twitter.

Despite their casual outfit, complete with their glasses, Yesung and Yunho still managed to give off their superstar aura during their get together at Yesung's cafe, 'Mouse Rabbit'. 

ELF welcomed him as they commented, "Welcome to Instaland", "Finally, you got it", and more. Follow Yesung's Instagram here!