杞river willowStrokes7Onコ, キParts木tree己selfWords with 杞杞憂きゆう · kiyuuneedless fear; groundless apprehension; unfounded worry枸杞くこ · kukoChinese matrimony vine (Lycium chinense); Chinese wolfberry; goji枸杞子くこし · kukoshiextract of Chinese wolfberry fruitStudy it in Yanamino