Like the person who developed Viagra while trying to create a heart disease medication, Moon Yeongha inadvertently created gongjin-dan(攻進丹-GONG-Making Ball) while simply trying to make the normal gongjin-dan(拱辰丹-Super Tonic Ball). And Jung Pureum, who had taken that Super Tonic Ball, collapsed during the English listening comprehension section of his CSAT and manifested as an Alpha. "You're going to take responsibility for me, hyung..." Thus begins the story of Moon Yeongha, who needs to revive his struggling traditional Korean medicine clinic because of omega prejudices, and Jung Pureum, a physical education student living next door who's had a crush on Moon Yeongha for over 10 years. "Okay, I'll take responsibility. Stop crying." In the end, to avoid being sued by Jung Pureum, Moon Yeongha ends up blurting out that he will take responsibility for him without hesitation...