Over Time(1999)

Over Time is a Japanese drama series following Natsuki, a 29-year-old woman who meets Sôichirô, 25, during a Hokkaido vacation. Back in Tokyo, she discovers he's the younger brother of her friend Haruko. The two, along with Haruko and their friend Fuyumi, move in together. As Natsuki and Sôichirô grow close, their bond deepens—yet both become entangled with other people, leaving them caught between their connection and competing romantic interests. The series explores the messy reality of love, timing, and the question of who truly belongs in each other's lives.