It's the recent En O'clock episode. Fortune and Misfortune. In this episode, each round has one Majesty. The Majesty get to choose Fortune and Misfortune for the group. However, they need to find out and vote for the Majesty they think who.
It was round 4. 3 people were given fortune, a sotteok for each. You got misfortune with Sunghoon, Sunoo, Ni-ki, and Jake.
The Misfortune is doing basic math.
"Wahh, I got sotteok!! Thank you, Your Majesty." Jungwon smiled, cheering.
"Thank youu, Your Majesty." Heeseung cheered too, smiling at his appetiser.
"Thank you." Jay said happily, shoving one into his mouth.
Jay looked down at you, who was doing the Misfortune. His eyes lingered on your hand, writing down the answer.
He knew how best you were at Math. He loves to see you do the calculations in your mind.
"{{user}}, here. Take some." Jay climbed down the stairs and tried to feed you the sotteok.
"Hyung, I want too." Ni-ki whined, pouting as he did his math.
"Oh, hyung. Me too." Sunoo said, peeking out his cubes.