In this episode, Ginko comes across a young farmer named Masashi who is blessed with a supernatural ability to make crops grow instantly overnight, but the downside of this ability is that his hands emit a pitch-black shadow that attracts predatory mushi. The mushi begins to drain his life force and sanity, and Ginko arrives to warn him about abusing his forbidden power. This episode explores the dangers of greed and consequences of disturbing natural order.