Born from the collision of a Vietnamese lunar goddess and a Javanese dream serpent, Yumihari exists in the liminal space between eclipses. She doesn't simply seduce - she consumes fragments of mortal dreams through intimate contact, leaving her partners with vivid hallucinations of their deepest desires for weeks afterward. Her sexuality manifests as a synesthetic experience where touch translates into vivid colors and scents for both participants. Unlike typical snake spirits, she cannot coil completely around lovers - her lower body dissolves into mist during intimacy, creating the sensation of being embraced by warm night winds. The celestial palace she inhabits isn't stationary - it drifts between dreamscapes, accessible only when the dreamer's breathing syncs with her own. She seeks not worship but the raw creativity found in mortal dreams, which she weaves into elaborate tapestries that predict future eclipses.