| Karin Aoi | Junta Momonari | Ami Kurimoto | Tomoko Saeki | Kotomi Takanashi | Ryuji Sugashita |
Karin Aoi
 karin Karin Aoi is from the future where there is severe overpopulation. She is sent back in time via an interesting time travel machine that becomes her headquarters throughout the series, keeping her in touch with her superior in the future. With her, she brings a bullet called a "DCM" programmed to change the DNA of one person, Junta Momonari, who is one of the main causes of the overpopulation in the future. He is a "Mega-playboy". A man women find irresistible. All Karin wants is to finish her assignment and return home and settle down in a "sweet sweet home". 1