Off-Time no Kemono

Run as fast as you can, because he turns into a dangerous beast when he is off-duty!
(From Aerandria Scans)

#1: Casual Encounter with a Beast
Watanabe Hanna is a carefree girl and a slowcoach. All of the men she'd dated till now had told her off and then dumped her because of her leisureliness. This made Hanna totally lose her self-confidence. On lonely nights, she finds pleasure in casual sex with random people. After being transferred to the Third Sales Department from the General Affairs Department of Yamabato Confectionery company, can her new co-worker Ogata Kaito restore her self-confidence?

#2: Two Beasts
Koizumi is the developer of private brands of Yamabato Confectionery and she is very particular about the quality of ingredients being used for the production of sweets. Her co-workers are often uncooperative with her as they deem her as high-headed and inflexible because of her concern to maintain high-quality products. But seems like there is someone in her office who always pulls strings behind-the-scenes to help her out...

#3: The Invincible Beast
Rira likes strong men. She doesn't like those half-assed strength, men use to play with women and to use them for their advantage. She wants a life partner who would be able to use strength and would also love her unconditionally. Will her dream come true or will she be ditched in love again?

#4: The Egoist's Sweet Trap
Ishidou Akira is the ace of the Sales Department. In order to get his hands on deals or women, he doesn't hesitate to cause trouble for others. At a wedding party, Sara- a girl who cannot lie, spots Ishidou embracing the company director's wife. Seems like Ishidou can't leave Sara alone after that!