"Because I wanted to know how my favorite idol feels"――Sakurako, a shut-in otaku, calls a delivery health service for the first time in her life, intending to have her first sexual encounter. However, getting scared at the last minute, she accidentally reveals the erotic game she was playing, falling into a big panic. Just as she was in despair over having exposed her preferences to Fuji-kun, a cheerful and handsome delivery worker, it turns out that Fuji-kun is an otaku, too...? A pure "idol-supporting" love story between an otaku girl and a delivery man!