What Are Friends For?

Woo Dohwan is shooting for his next kdrama, and he and his close friend Lee Sang-yi have been filming together for the past few days. The script calls for Dohwan to gag and act like he's in pain, so no one notices when it's no longer an act.
TW: vomiting, nausea, stomach pain, faking being poisoned, acting sick, mild swearing