Yoshiaki Saitou

Yoshiaki is the firstborn son of Shōzō and Ine, holding a managerial position at his workplace. Known for his earnest nature and strong sense of duty, he once spent his younger years as a delinquent. When his parents unexpectedly regained their youth, he was initially left bewildered and shocked, yet he soon came around and chose to stand by them wholeheartedly—even arranging a honeymoon trip as a gesture of filial devotion. His deep commitment to family defines him as a dependable and loving figure within the household.