Similarly, deconstructs the very definition of mother and son. Nobuyo is not the biological mother of Shota, but she is the only mother he knows. Their bond is tested when Shota begins to question whether love without a blood contract is valid. In a stunning scene, Shota calls Nobuyo "Mom" for the first time, and she corrects him, reminding him of the crime of their family. The film argues that the mother-son bond is not a natural fact but a fragile, beautiful, choice-based lie we tell to survive.

Focus on a (e.g., the mother-son dynamic in Italian vs. Asian cinema).

Other stories delve into the darker, more "enmeshed" aspects of the relationship, where boundaries are blurred and independence is stifled.