I Fell in Love 2007 (Japan), also known as Watashi. Koi Shita, Love on Sunday: I Fell In Love, Koi Suru Nichiyobi is Japan drama premiere on Nov 21, 2007
With only 3 month left to live, terminally ill Nagisa leaves her father and goes to a seaside town where her first love, Ishikawa Satoshi, currently lives. She doesn't tell him about her illness, though, lying instead that she just went on a trip, and stays at his house. Nagisa's feelings for Satoshi grow stronger as she spends time with him, but it turns out that Satoshi was having an affair with a married woman, Eriko. And one day Nagisa lures out Eriko's daughter Madoka on a whim.