Well, first, you need to have an idea for the story. Then, do some rough sketches of the characters and backgrounds. Pay attention to proportions and perspectives. Add details and ink it for a final touch.
Tanjiro might use his sense of smell to detect hidden threats. Since his sense of smell is super - enhanced, he could sniff out any demons or traps in the way of saving Rengoku. For example, if there are demons disguised as allies, Tanjiro would be able to tell by their scent.
Tanjiro's strength in the manga is significant. He acquires new powers and techniques, and overcomes numerous powerful foes with determination and strategy.
Start with sketching the basic shape of the head and body. Then, add details like the eyes, hair, and clothing. Pay attention to proportions and use light lines at first.
To draw a manga girl, begin with a circle for the head and mark the position of the eyes, nose, and mouth. Sketch the hair in a stylish way. Define the body shape and add shading for depth and dimension.
You start by sketching the basic shape of the eye, usually an oval. Then, add details like the iris, pupil, and eyelashes. Shading is important to give it depth.
You can look at your own experiences, dreams, or things that happened to people around you. Sometimes, reading other good stories or watching movies can also give you ideas.