Komasan Jack is Komasan dressed in attire that resembles the "Jack" from common playing cards. He has a blue hat and robe, the latter of which having black and yellow pattern along the edges. Underneath is a sash adorned with three suits; Hearts, Clubs and Diamonds. He has been given curly blonde hair, and holds a yellow tipped feather.
Komasan Jack along with the other Card Yo-kai are obtained by scanning QR codes
Scan this QR code in the bank and receive the Jack's Card
With this item Komasan Jack will now show up in the Hazel House in the Kitchen of the 1st floor, where you can battle him in a daily battle.
His outfit is not specifically taken from one Jack, and instead has elements from all four suits; the curly hair and hat is shared among all the suits, the feather from Hearts, the sash from Diamonds, and the robe from Clubs or Spades.