Rewritten:
Volume 1:
Kitagawa Ryouno is the hottest and most successful member of the Sales Department, but he has a hidden weakness - he's a coward who blushes at the slightest surprise. He finds solace in the presence of his strict and awkward senior, Natsume from the Development Department, who has a secret of his own - he's gay and has been smitten with Kitagawa for four years.
Volume 2:
Tomita, a straight-laced office worker who doesn't take romance seriously, sleeps with Saito, a lonely bar owner. Their chemistry is perfect, and they become sex partners, until Tomita starts to develop unexpected feelings for Saito.
Meanwhile, Kitagawa and Natsume, who are supposed to be dating, deny their relationship. Volume 2 follows the exciting and dramatic love lives of these four men.
Volume 3:
Kitagawa and Natsume continue their secret romance in the office, but their trip takes a turn when Natsume reunites with his ex-boyfriend. Kitagawa is unhappy, and Natsume turns to their friend Tomita for help. Will their relationship survive when they can't be honest with each other?
Volume 4:
Tomita and Saito are living together, enjoying a peaceful life despite their different lifestyles. However, Tomita struggles with the fact that Saito agreed to act as his best friend's lover. Feeling down, Tomita goes out drinking with his junior, Tahara, who has a secret crush on him. As Tomita sinks further into despair, he fails to notice Tahara's feelings.