BLK-301 With the gal sister president and a harem office, is sex included in business operations?

The original comic based on the popular author Yotoku Tatsunami has been turned into a live-action AV! Gal president Ai Nishikori and her younger brother Keisuke Nishikori, who works as her employee, are super close siblings who have sex! But... other female employees are also aiming for Keisuke, and the office is always in a harem state! Elite president and busty gal older sister: Ai Nishikori (AIKA). A tall and younger manager: Nao Sawamatsu (Rena Fukiishi). A 19-year-old gal who wants to be a bitch: Etsuko Inogashira (Sora Shiina) and other gorgeous cast members! !