Eri's perspective in the narrative challenges the notion of identity, suggesting that being an "empty vessel" is not inherently negative. She emphasizes that one can still possess beauty and attractiveness, regardless of a lack of defined self. This viewpoint invites readers to reconsider the pressure of self-identity and encourages embracing the idea of being an appealing presence that others feel comfortable with.

The metaphor of an "empty vessel" serves to highlight the potential for connection and functionality beyond one's personal narrative. Eri suggests that the value lies not in knowing oneself definitively but in the ability to create positive relationships and experiences. Her philosophy proposes that anyone can be a fulfilling and trustworthy companion, regardless of their internal complexity or lack of rigid identity.