Well, becoming a manga writer takes dedication. You need to master the art of visual storytelling, understand panel composition, and have a good sense of pacing. Plus, build a network with other creators to get feedback and inspiration.
First, you need to have a passion for storytelling and drawing. Practice regularly to improve your skills. Also, study the works of popular manga writers to learn their techniques.
To be a manga writer, you should start by developing unique and engaging story ideas. Work on your character designs to make them memorable. And don't forget to keep learning and evolving your style over time.