Sociologist Merry White noted that in Japan, the mother-son bond is often stronger than the marital bond. When a husband retires, a wife may divorce him ( shūshin kekkon – "retirement divorce"), but she will cling to her son. Thus, the fictional romantic storyline is merely a hyperbolic version of a real emotional reality: the Japanese mother often is the primary romantic partner in a man’s life, just not physically.
Japanese mom picture relationships and romantic storylines often share certain characteristics that set them apart from other genres. Some common themes and elements include: Sociologist Merry White noted that in Japan, the
Romantic storylines in this category often focus on the tension between maternal duty and personal desire. Titles like Boku wa Imōto ni Koi o
Manga and anime are the primary mediums for this. Titles like Boku wa Imōto ni Koi o Suru (I Fall in Love with My Sister) or the infamous Kodomo no Jikan explore boundaries, but the "mom" storyline is often found in haha-shu (mother-themed) erotic manga and visual novels. These stories picture the mother not as a frail old woman, but as a vibrant, often lonely widow, whose son becomes her emotional and physical partner. but as a vibrant
This export has created a feedback loop. Western anime fans consume shows like Clannad: After Story , where Nagisa as a young mother becomes a romantic tragedy, or Fruits Basket where maternal figures are romantically entangled with younger men. They then create fan art and fan fiction that intensifies the romantic storyline, which is re-imported to Japan via Pixiv and Niconico.
Several notable examples of Japanese mom picture relationships and romantic storylines have gained international recognition. Some popular manga and anime series include: