@TheOudDood with your explanation in mind, I now read these descriptions completely differently. A fantastic insight. Thank you. Now I wonder how I missed it?
Oju (鷹樹):
A profound and ethereal fragrance luxuriously crafted with the finest Kalimantan agarwood.
Kumoi (雲井):
A deep, traditional fragrance expressing the true character of top-grade agarwood.
Hyofu (縹風):
Features Vietnamese agarwood, emphasizing its distinctive cool, green-blue note.
Saiun (彩雲):
A calm and composed fragrance based on agarwood blended with natural aromatic materials.
Shikun (紫薫):
A refreshing fragrance that highlights the sharp spiciness inherent in agarwood.
Suifu Gokuhin (翠風 極品):
A clear and pure fragrance retaining the sweetness of Suifu.
Suifu (翠風):
A gentle fragrance that draws out the soft sweetness within agarwood.
Kayo (華陽):
A deep and elegant fragrance that brings out the noble character of Rozan Sandalwood (Old Mountain Sandalwood).
Kagetsu (華月):
A cool and soothing fragrance blending Rozan Sandalwood.
Oubai (鴬梅):
A distinctive fragrance composed of various natural aromatic ingredients.