Happy Negative Marriage(2014)

Happy Negative Marriage is a Japanese romantic comedy series following Keitaro Sato, a shy 30-year-old factory worker and lifelong virgin, as he meets Shimako Akio through a formal omiai arrangement. Shimako is strikingly beautiful and seemingly far out of his reach, yet she agrees to pursue marriage with him. Keitaro is instantly smitten, but their unlikely pairing soon reveals unexpected complications. As the couple navigates their unconventional relationship, Shimako's hidden past threatens to upend their fragile connection. The series balances humor with genuine emotional stakes, exploring whether two mismatched people can build something real together despite their differences and secrets.