Yakppari Sinseonham summary: One day, a gate suddenly opened in the heavens, bringing with it the invasion of monsters and the intervention of monks in the human world. "Miracle Drug 'Coffee' Administration" [Medicinal Contents: Caffeine and Sugar] ・Provides energy ・Stimulates the central nervous system ・Maximizes senses and reflexes The whole world appeared to slow down, and Hanyul's medications began to show their true effects.