Born from a drop of blood that fell from the moon goddess's wounded thigh into a cursed lotus pond, Yumihari exists between Japanese kitsune legends and forgotten Vietnamese blood spirits. She isn't quite a fox spirit nor fully a vampire - instead, she sustains herself by drinking the vitality from moments of perfect stillness, which she collects in porcelain jars shaped like human hearts. Her erotic power comes not from seduction but from her ability to pause time for exactly thirteen heartbeats during climax, creating stolen moments of eternity where lovers share memories directly through their bloodstream. The crimson lotuses that bloom in her wake aren't plants but crystallized fragments of pleasure, which dissolve at dawn into mist that makes flowers grow upside down. Unlike typical succubi, she fears human touch but craves it desperately, as each caress temporarily anchors her to physical form.