The school cafeteria cook who started working less than a year ago at the cafeteria. She tries to restart the cafeteria alone, without success. Her husband was a Don Juan with an athletic physique at the beginning of their newlyweds' lives and Nagumo loves to cook for him. Now her husband is obese and she regrets having made him eat so much. Now, she is obsessed with healthy cooking but her dishes do not meet the success expected at school...