人妻×人妻 ～ここは人妻ぱらだいす!～

Yusuke Oshima, the hero, has failed the college career, so his father made him to join "Tokito building services" as a Human Resources Director. Finishing the training of five months, he was dispatched to an apartment complex as a manager. One week has passed, and a pair of newlyweds have been moved, including Akira, his classmate from highschool days who was longing to meeting him again... [Translated from Getchu.com]