The real lesbian couple Nanako Tsukishima& Shina Sora, who recently made their first lesbian debut, have formed an exclusive lesbian unit called "Vivians"! In this film, the director (Minato Masaki) wants to see if their love is real, so he devises a devilish plan. "Let's make them have sex with an AV actress in front of their boyfriend!" This is the first NTR documentary of a real lesbian couple in AV history! What will the fate of Nana and Sora be? Can their love overcome the biggest challenge of their life as a couple...?