Office Lady's Damp Pantyhose Ran Kamiki

Mami, who works at a housing management company, is dating her colleague Nagaoka. With cohabitation in sight for marriage, she was living happily every day... Meanwhile, her incompetent senior at work, Sugiura, who secretly had feelings for Mami, holds a grudge against her for betraying him and makes a move on her during late-night overtime.