SEE ALSO: Actor Lee Jong Suk to star in upcoming tvN drama 'Seochodong'

The banner on the coffee truck reads, "Director Jo Soo Won and Sang Hyun hyung, gain strength! Live through it, and let's meet when it's over? -From not Suha but a Suha-like Park Hoon..-,"�bringing smiles to Lee Jong Suk's 'I Hear Your Voice' buddies with�the sweet message.

Yoon Sang Hyun shared his gratitude to have a dongseng like Lee Jong Suk, "Jong Suk is in the middle of filming the SBS Mon-Tues drama 'Doctor Stranger', so he must be busy. I'm really thankful that he took care of me and showed his support... I was touched by the surprise gift that I never expected. It's encouraging and I love that I have a dongseng like him. 'Gabdongi' and 'Doctor Stranger' fighting!"

Have you been keeping up with 'Gabdongi' or 'Doctor Stranger'?