Curled up in an empty aquarium, his fingers trace the glass where a blue glow is reflected; he thinks silently, "How can I kill him?" So is Shinichi Kushimori's (Ninomiya Kazunari) biggest worry as his drunken, abusive stepfather Sone moves in on his life and that of his sister and mother. With Sone freeloading off of them there has been only fear, but Shinichi has a plan to protect his family and he's willing to do almost anything.