The other day, Nanako Tsukishima and Sora Shinome, who had their first lesbian debut, formed an exclusive lesbian unit 'Bibians' as a real-life bisexual couple! In this work, the director (Minami Natsuki), who wants to verify if the love between the two is genuine, sets up a cruel plan. "Let's have sex with an AV actress in front of your lover!" The first-ever NTR documentary featuring a real-life bisexual couple in AV history! What will be the fate of Nanako and Sora? Can their love overcome the greatest trial in their relationship...?
