When Atsuko was young, she thought that her father, Endou Daisuke, was dead. She thought that the reason of his death was because he played soccer. Therefore when her son was little she told him to put items in the storage closet that was in the backyard. However when her son, Endou Mamoru, found her father's belongings, Atsuko was angry to the point that, when her son asked her if he can have the items he found. Atsuko told him to put the notebook along with the ball back in the storage closet. But he refused to listen to her, so she chase him around the backyard trying to get the items. However her son trip on a bucket, and she grab the soccer ball off of the grass. She ask her son to hand him the notebook, but he angrily ask her why he can't play soccer. In the end, she told him that the stuff belongs to his grandfather, which surprised him. While gardening outside, she got angry when she told her son not to play soccer in the house. Ironically her son playing soccer in his room made the ball fly out of the window and had broke a flowerpot. So this made her son play at the park. In the end, with her husband agreeing to allow their son to play soccer. She finally allowed her son to play soccer, but still hates it.
Being Endou's mother means she always looks out for Endou. She didn't allow him to play soccer at first because she was afraid of what happened to her father, Endou Daisuke, might happen to Mamoru. However, in the end, she allowed him to play soccer and even cheered for him. She always has a mother's heart. However she can be strict such as telling her son to take a shower whenever he talks to his grandfathers photo.
She always wears an orange shirt and white trousers, her hair color is light brown and her eyes are black. She appeared once in episode 126 in a black suit wearing a white necklace.
She always tells Endou to take a shower after playing soccer, but he refuses to obey her. But she yells at him to take a shower whenever he can't hear her from downstairs. She then cleans his room while he is in school. But she also thinks about her father whenever she sees her son. Then, in the match with Zeus, she was holding Endou Daisuke's photo and cheering for Endou in the stadium. She was very happy when Raimon won the Football Frontier.
She makes a short appearance after the first match between Raimon and the Aliea Gakuen. She was surprised when her son and his friends sleepover at there school. However she wrote her son's name on his underwear which embrassed him. She was also heard calling Endou during their trip to stop Aliea.
She appears in episode 68 yelling up the stairs at Endou (who has slept in) reminding him that coach Hibiki called him to be at Raimon that morning. She appears to watch the match between Inazuma Japan and Little Gigant on TV, paying her most attention on her son. Before the graduation ceremony, she told Endou about Daisuke phoning her. She also went to her son's graduation ceremony later.
- Japanese : Miwa Kouzuki
- English :
- all information on Endou Atsuko came from http://inazuma-eleven.wikia.com/wiki/Endou_Atsuko