Nori visited her aunt's apartment by the sea for the first time. She found a postcard letter from her aunt's notebook by accident. It was from Mitsuko Miyoshi. She decided to visit the unknown woman's address.

University student Yuji lives alone with his mother. He begins to keep a journal. One day, he finds his mother’s diary, in which she details her imaginary life with Yuji’s unborn little brother. “Nice to Meet You” looks into the verity of a real life hidden under a lie, by depicting an alienated mother and son trying to communicate through a fictional diary.

Tomohiro takes his fiance Machiko to his hometown of Aridagawa in Wakayama Prefecture to see his family.Tomohiro’s family includes three siblings. His younger brother Takeshi refuses to go to school. His older sister Yumi isn't interested in their family. Younger sister Sayaka has an inferiority complex and has a fear of dating. There's also Satomi who everybody calls Mama and she does all of the housework. Kayoko is called Kaka and she works as a snack bar manager. Narumi is called Haha and she is a high school teacher. Finally, there's their father Shoichiro better known as Chichi. It's an unusual family, but able to exist in harmony. Due to Machiko's appearance, the family becomes shaken.

For ten years, Eriko has been chasing her dream of becoming an actress in Tokyo. Returning to her hometown for her older sister’s funeral, she realizes that she might have to readjust her path in life. She deciof the to take care of her nephew and to follow in her sister’s footsteps as a mourner-for-hire.