You can try looking for it on popular e - book platforms like Amazon Kindle or Barnes & Noble Nook. They usually have a wide selection of light novels.
Since I'm not familiar with that particular light novel, it's hard to give an exact similar one. However, if it's a slice - of - life or romantic light novel, you might like 'Toradora!'. It has a great story about relationships and character development. Another option could be 'Kaguya - sama: Love is War' which is also about the relationship between two main characters in a unique and comical way.
First, start with the basic shape of the doll's head and body. Then, focus on the details like the eyes, hair, and dress. Use light and shadow to add depth.
Pain cartoon art often features bold and exaggerated expressions to convey intense emotions. It might use dark or intense colors to enhance the feeling of pain.
Try 'The Ancient Magus' Bride'. It has a mix of fantasy and character-driven storylines, similar to the charm of Yona. The world-building is quite immersive.