A Hero With Tendonitis Who Can't Draw the Holy Sword VS A Demon King With Frozen Shoulder Who Can't Raise His Arm

A story about a hero who cannot draw the holy sword due to tendonitis and a demon lord whose arm won't raise due to frozen shoulder who happen to meet. The hero stands motionless and the demon lord remains seated, and they continue their conversation while each hiding their respective physical ailments. (The story is rated R15 because the demon lord says ominous things, but nothing ominous actually happens.)