To the hot spring trip of the elder sister "Kono Hikaru" and the yuretsu pure love white book one night and two days. It is drowning, and it is drowned like a young man and woman, and it is drowning, and it is drowning. Carve the memories of the journey into the colors! In the blindness hectic sex sex, the "sleepless" pun voice of Hikaru Hino echoes.