noun
red Fuji; Mount Fuji glowing red at sunrise
Refers to the natural phenomenon when Mount Fuji appears red, typically in the early morning from late summer to early autumn, due to the angle of the sun's rays.
早朝、赤富士が湖面に映っていた。
In the early morning, the red Fuji was reflected on the lake surface.
赤富士の写真を撮るために、夜明け前に起きた。
I woke up before dawn to take a photo of the red Fuji.