Their love was described erotically, and the story showed us a vivid contrast in the sense of time, three years in the supernatural world (Mt. Horai) being equivalent to three hundred years in the world of human beings.
その二人の恋が官能的に描かれて異界（蓬莱山）と人間界との3年対300年という時間観念を鮮明に持つ。