Hara Shige, who lost his lover, traveled through time and became a 12-year-old boy, dependent on his mother. When he thought his life would go by so slowly, he met Tamaki Xi, who had a complex background and looked exactly like his late lover. Later, he learned that he was actually the Japanese food giant Mumorse Hotel. The illegitimate son of a CEO, who worked hard at cooking and became a new star in the Edo-style sushi world, met Tetsuya Hahito, a young man from the Kansai-style sushi maker. The competition within the family, the unruly, flamboyant ridicule and unabashed love, and the face of Tetsuya's forbearing admiration, where should he go and follow! ?