Ryoichi, the only son who lives with his mother, Rina, who is drowning in alcohol and sex, as if to look away from the emptiness that is constantly boiling. With the disappearance of his father, he shoulders everything and earns a small wage to support his life. But life gets rougher day by day. Ryoichi is tormented by the feeling that he is disappearing on his own while being tossed about by the Mikka that his beautiful mother emits. In a life filled with a sense of stagnation that decays, a mother and child develop an immoral relationship.
