Mitsuko Endo (遠藤 ミツコ Endō Mitsuko) is the mother of Hiroki Endo who approached the Mysterious Phenomenon Institute when her son suddenly became a child prodigy.
Mitsuko Endo (遠藤 ミツコ Endō Mitsuko) is the mother of Hiroki Endo who approached the Mysterious Phenomenon Institute when her son suddenly became a child prodigy.