If you are looking for a write-up exploring the "loving mother" aspect of your request, Themes of a Mother’s Love

Even as Japan modernizes and gender roles shift, the internal cultural compass still points toward the mother as the emotional anchor of the home. For many Japanese men and women, "loving mother better" is an acknowledgment of her role as the silent engine that keeps the family—and by extension, society—running. 4. Cultural Shifts and Modern Perspectives