Rinko, the mother of a large family, has busy mornings. Due to her loving nature, she adopted children from her ex-husband and underprivileged children one after another, showering them with love without discrimination, and now she is single-handedly raising seven sons and supporting the family. Surrounded by her beloved sons, Rinko spends her days living under the same roof with a deep bond, but one day her ex-husband comes over with his son, Shiro. Seeing his lonely expression, Rinko begins to feel compassion for him...