He gives his mother, Sachiko, a drink full of diuretics that he got online and shuts himself up in the bathroom. That was the method Yukio thought up to make his mother pee outside. Yukio's distorted desire to see Sachiko peeing has driven him to take a ridiculous action to give his mother a break. Before long, Sachiko goes out into the garden as Yukio had planned. A golden parabola emitted from Sachiko's crotch that she saw in her dreams. The spectacle is too erotic and will make Yukio even more reckless.
