Mission in another world with my transformed best friend

++++++++. Why can't this disillusioned office worker remember the god's instructions before he was summoned to another world? Because he got completely drunk with his best buddy. Wait a minute, god, come out and explain what happened! This seems to be an open-world RPG game set in another world. And why can his best buddy, who was transported here with him, control a beautiful blonde, blue-eyed magician character? While I can only control a pathetic account that's more of a "support" character with a "simp" personality. I want to become a legendary hero, the number one player! Or at least a casual storyline where I become a hero and defeat the demon king...