A couple without children for 20 years, the husband brought back a son

Koji breaks a 20-year childless pact by bringing home a boy named Yudou.

Reiko and Koji kept a twenty-year agreement to stay childless. Koji returns with Yudou, a boy whose presence upends their settled life.

• drama
• family

1. Couple pledged childless for twenty years
2. Koji brings home a boy named Yudou
3. Arrival forces them to rethink their life

This fits viewers drawn to quiet domestic upheaval and broken agreements.