Since losing his wife, Kouhei Inuzuka has been dedicated to raising his young daughter Tsumugi with love. Juggling his teaching job and a lack of culinary skills, Kouhei resorts to convenience store meals. Feeling inadequate, he accepts his student Kotori Iida's invitation to dine at her family's restaurant. To his surprise, they find it closed often, leaving Kotori to eat alone. Moved by Kotori's loneliness, Kouhei agrees to cook and share meals with her, creating a bond through homemade dishes. 'Amaama to Inazuma' portrays a devoted father's journey to bring joy to his daughter, delving into the significance of family, cooking, and the warmth of home-cooked meals.