mother-in-law and daughter-in-law conflict; bride vs. mother-in-law war
Jocular, humorous term for the stereotypical domestic tension between a wife and her husband's mother. Often used in lighthearted or exaggerated contexts.
Caught in the mother-in-law and daughter-in-law conflict, the husband always has a stomachache.
That drama humorously depicts the bride vs. mother-in-law war.
More neutral and common term for mother-in-law/daughter-in-law issues, without the exaggerated 'war' nuance.
Compound of 嫁 (bride, daughter-in-law), 姑 (mother-in-law), and 戦争 (war). The term is a humorous exaggeration of domestic tension.