After Rejecting a Colleague's Confession, I Was Sent to the Omegaverse World

Before he knew it, he was in the world of Omegaverse...!? One day, Suda, a businessman living a smooth life, is confessed to by his rival colleague Nakahara, "I love you." When Suda realizes that Nakahara is serious, he runs away from the scene - and ends up in an accident!? As his mind goes dark, wondering if his life is over, he hears a voice... "Are you - perhaps an Omega?"