After being attacked by an old wizard's pendant, the professor's life has been normal and boring...until the mysterious old man calls him back to the woods with a surprising demand.
After banishing the manifestation of his negative thoughts using the happiness found in consuming coffee, the evil apparition somehow manages to come back with a vengeance.
While doing mundane tasks around his work, the unnamed protagonist's gloomy thoughts harass and annoy him. He tries to ignore them and put them out of his mind, but the dark thoughts become more demeaning and obnoxious as the day carries on. Eventually, he makes a nice warm cup of coffee and the negativity washes away.