Koichi is a son in the Suzuki family. He is a hikikomori ("recluse") and dies suddenly. The rest of Suzuki family, father Yukio, mother Yuko and daughter Fumi, fall into confusion.Koichi is a son in the Suzuki family. He is a hikikomori ("recluse") and dies suddenly. The rest of Suzuki family, father Yukio, mother Yuko and daughter Fumi, fall into confusion.Koichi is a son in the Suzuki family. He is a hikikomori ("recluse") and dies suddenly. The rest of Suzuki family, father Yukio, mother Yuko and daughter Fumi, fall into confusion.