Being Accidentally Summoned to a Different World by a Goddess

[System], [Travel to Different Worlds], [Partially Cool Articles], [Technology vs. Magic] Let's start with a trial piece, learn from bad writing, and just have fun... Because of a traffic accident, Wang Kai inexplicably came to a different world of swords and magic. After going through many hardships, he met the goddess Pekoa who summoned him. What he didn't expect was that he was summoned by her by mistake. This made Wang Kai very angry. He just wanted to go home now, but before that, he had to teach this goddess a lesson... Pekoa: "Welcome, brave man, come and save this world on the verge of destruction!" Wang Kai: "Take me back." Pekoa: "Huh? It took a lot of effort to summon us! Otherwise, you can..." Wang Kai: "Take me back." Pekoa: "You can do whatever you want in this world. It's much happier than your original world." Wang Kai: "Take me back." Pekoa: "You can't say anything else?" Wang Kai: "If you don't get me back, I will go to your boss and report you." Pekoa: "Hey! I'm sorry! How dare you, a human, talk to a goddess like that!" Wang Kai: "You are not my leader, I am afraid of a hammer!" (Rolling up his sleeves) After a friendly exchange with the goddess, the goddess promised that as long as Wang Kai brings the real brave to her, she will send him back to his original world. But, can he really go back? Was he really summoned here just because of the goddess's mistake?