Forgiven by the rainbow after the rain.

The protagonist is reborn as a noblewoman in a foreign country while retaining memories of her past life. However, her life is filled with hardship and suffering. Shunned by her family, she is sent off as a second wife through a political marriage. Of course, it is a marriage in name only, and she is not loved. To make matters worse, her husband dies young, and she is left to raise his illegitimate child alone. However, she accepts her misfortune as inevitable. This is because in her past life, she had mistreated the illegitimate child of her husband's mistress. This is the punishment imposed upon her. To atone for her sins, she must raise her stepdaughter to be a fine woman. She faces her stepdaughter, who resents her, and desperately tries to protect her, but... This is the story of a protagonist who lives looking forward with determination to atone for her past sins, and a stepdaughter who comes to cherish her as a mother. It has a happy ending. This work is also posted on Everista.