6. Suggesting that you call her by her familiar name when you’re not that close.
Japanese people often address each other by their last name with the honorific title “-san” when they’re not close. When you address a Japanese woman by her first name by itself, she may think that you’re forcing the two of you to get close. “It’s too soon, too fast,” explained a Japanese teen. If you want to express that you feel close to her as a friend, you can ask if you may call her by her nickname.