When second-year college student Takamasa Natori gets dragged to a double date by his friend, Takeda, he meets Junpei Kisugi. The two hit it off instantly, and they are soon getting along as if they have known each other for years. But when Natori hears that Kisugi is bisexual, he doesn't know what to think. The two remain friends but things heat up when Natori runs into Kisugi's current and slightly jealous lover Tohru...