Actor Choi Daniel recently treated his 'School 2013' co-stars to some delicious chicken soup (samgyetang).

Kwak Jung Wook shared on his Twitter on the 9th, "Teacher Choi Daniel is treating us! I ate the chicken soup well. Now I have to listen to Sae Chan teacher well," along with the photos above.

The photos show actors Kwak Jung Wook, Lee Ji Hoon, and Lee Yi Kyung digging into the delicious chicken and happily enjoying their healthy meal.

Netizens commented, "Choi Daniel is a cool teacher", "Look at their surprised facial expressions. The three of them are so adorable", "'School 2013' is fun to watch these days", and more.