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The photo of their 100th day was uploaded onto an online community site with the title 'Min Guk's Habit' and showed Dae Han, Min Guk, and Man Se wearing a Superman, Batman, and Flash superhero uniform, respectively. When compared with the screen capture below, fans also noticed Min Guk's adorable habit of putting his feet together.

Stay tuned for KBS 2TV's 'Superman is Back' on Sunday at 4:50 PM KST!