[Shougeki] Oshi no Biyoukei Haishinsha ga Kyaku toshite Kita Kekka,,,

Harumi works as a beauty consultant for a cosmetics company, but his poor customer service skills stop him from making any progress. He finds himself frustrated day in and day out. The one thing he loves more than anything are the beauty videos made by his favorite online beauty streamer, Sakaki. But watching Sakaki's cross-dressing and men's makeup tutorials, Harumi finds himself so entranced that he just can't help but jerk himself off, which fills him with even more self-loathing. One day, Harumi sees his idol in the store he works at, and even gets the chance to help him try on some makeup. As he applies Sakaki's lipstick, Harumi is caught between the greatest happiness of his life and his own crushing sense of guilt...