Yuria-sensei no Akai Ito

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. Won the 45th Kodansha Manga Award in General Category in 2021.