Ranmaru is a 450-year-old vampire who works in a bathhouse. As a vampire he is particularly picky about his blood choices, his main goal being to drink the blood of an 18-year-old virgin. To do so, he has been watching 15-year-old Rihito, the son of the bathhouse owner who saved him from near death. Rihito must not lose his virginity before he turns 18 and Ranmaru does everything he can to prevent that. However, when Rihito starts to show interest in a classmate, Ranmaru's desperate fight to preserve the boys virginity begins.
Ryo Yoshizawa
Mori Ranmaru
Rihito Itagaki
Tatsuno Rihito
Nanoka Hara
Shinozuka Aoi
Gordon Maeda
Mori Nagayoshi
Shinnosuke Mitsushima
Sakamoto Umetaro
Mandy Sekiguchi
Shinozuka Ken
Shinichi Tsutsumi
Oda Nobunaga
Takuma Otoo
Tatsuno Haruhiko
Kurara Emi
Tatsuno Tamao
Takashi Sasano
Tatsuno Chojiro
Ryo Toyomitsu
