Transferred to the administrative department, Hikaru finds herself annoyed by the lustful gazes of male coworkers, yet she continues to form intimate relationships with men from her previous department. During a business trip at a hotel, her luscious big tits—over 100 centimeters in volume—become irresistible temptation as she spends time with a female sales employee from a branch office. Meanwhile, Kyoko, an office lady known around the company as a slut, fantasizes about having sex with a handsome male colleague and gets so wet she soaks her panties, doing everything she can to seduce him. The story unfolds with each woman's unique charm and their romantic entanglements in the workplace.