Akai Ito is Japanese television drama series based on a popular mobile phone novel written by Mei about two soulmates - junior high school students Mei and Atsushi - who must overcome drugs, rape and attempted suicide in order to be together. The love story was an online hit in 2006 and later published as a series of five books which sold 1.8 million copies.

The story is set in a suburban city facing further modernization and depopulation, and depicts the "burden" shouldered by modern society and its constituents. It is the story of a woman who moves forward, step by step, in her own life as she faces the struggle of hope and confrontation in such a transition.

Mei has been in love with Yuya all her life. They've grown up together. But when they reach their second year of middle school, Yuya suddenly professes his love for her older sister, Haruna.

Fifty-year-old Yuria has a quiet life teaching embroidery classes in her home, where she lives with her writer husband and his mother. Then one day her world is turned upside down when husband has a subarachnoid hemorrhage and upon arriving at the hospital, Yuria is met by a tearful young man who announces that he is her husband's lover.

When a chaos happened to a young overseas filipino worker during his labor, an aftermath that he needs to go through as his housemate depart and triggers his psychological perspective.