SEE ALSO: CNBLUE and actress Shim Eun Kyung spotted filming for 'Running Man'

The photos show�Yoo Jae Suk, Ji Suk Jin,�HaHa, and Lee Kwang Soo�taking time to greet or take photos with students while filming. The male teammates looked like they could blend in as students, but instead of studying, they were busy carrying out their mission.

Yoo Jae Suk was assigned to Korea University, Ji Suk Jin to Kyung Hee University, Kim Jong Kook to Chung-Ang University, Lee Kwang Soo to Sogang University, HaHa to Donguk University, and Song Ji Hyo to Konkuk University.

The cast was also spotted filming with CNBLUE and actress Shim Eun Kyung the day earlier on February 10.

Stay tuned for this upcoming episode!