Aizawa Hinata is a high school counselor who provides support to students with school and family problems. This is motivated by the warped relationship she had with her over-controlling mother which she could not discuss with anyone. One day, a male student who has not been attending school confesses that he likes her. However, he dies mysteriously the next day. Hinata takes action to determine the cause of his death and learns that the boy suffered insidious bullying at school and excessive meddling by his mother. He had a record of delinquency and kept rough company. Hinata is hounded by his mother who believes that she is responsible for her son's suicide, and is driven to the verge of breaking down.
Aliases
- Ashita no Yakusoku
- Asu no Yakusoku
- Tomorrow's Promise
誰よりも人の心に寄り添うスクールカウンセラーが突如発生したこの世でいちばん謎が残る死の原因を究明するヒューマンミステリー。
Aliases
藍澤日向（井上真央）是樁丘高校的心理輔導員，有著勤奮積極的性格，以非親人和教師身份成為學生最後的支持者，一直關心著因為學校及家庭問題而煩惱的學生，自己和其他人都覺得輔導員是其天職。
然而她的童年並不愉快，因為她的母親藍澤尚子（手塚理美）感情起伏激烈，以過度干涉的方式養育她，從小學時代開始她就被母親要求寫名為「明日的約定」的交換日記，每日都被要求進行「改善」，讓她直到高中都沒有自信，過份看他人的臉色做人，不過也因為這樣的經歷讓她十分體會學生的煩惱，成為出色的輔導員。
