The antique tea service appears centuries old and is linked to vessels associated with powerful spirits. It has been in use for a long time, indicating its historical significance. During a tea ceremony, its quality draws attention, with observers noting its age and potential connections to spiritual beings.
Shiba Midori discusses the tea service in relation to sacred relics, exploring the implications of such vessels containing beings of great power. The service is mentioned in the context of spirits being treated as partners rather than servants, highlighting its relevance in spiritual practices. Iuchi Minoru shares a personal story involving a shattered tea cup, from which a spirit emerged, further illustrating the tea service's connection to spiritual experiences. This interaction emphasizes the service's importance in the broader themes of spirit philosophy and the significance of ancient vessels in ongoing investigations in the City of the Rich Frog.