Minoru is growing up, but just because he's out of diapers doesn't mean things are easier on Takuya. Being a big brother is tough, and Takuya has to deal with his own troubles even as he tries to protect Minoru from the harsher realities of life. But Takuya finds unexpected help from the warm memories of his mother and a troublesome schoolmate, his loyal friend Gon. The Enoki boys are learning that if they stick together, they can weather whatever the world throws at them!