Mujikaku Love Factor

Mujikaku Love Factor summary:

Kanzaki looks serious at first glance, but actually, he's a salaryman who loves sex! His sex friend stuck a toy up his ass and had him go to work with it. When he headed to the toilet in anguish from the vibe, he encountered his hated colleague and boss, Ichinose. Somehow, they ended up going one round there! Ichinose, who's straight-laced and accommodating, was worried about Kanzaki engaging in sex without love and declared, "Until you find a real lover, I'll take care of your body." Despite getting annoyed at him, Kanzaki thought he'd just use make good use of Ichinose's body when...?!