Well, it's hard to say. You'd need to provide more details about the comics in question. Different comics have different characters, and Yuri Watanabe might or might not be in them depending on the context and the creators' decisions.
The main characteristic of furry smut comics is the portrayal of furry characters in sensual or sexual scenarios. They can range from mild to very explicit and may incorporate various themes and settings within the furry world.
Such comics are known for depicting young, innocent-looking girls in yuri (female-female) relationships with sexual overtones. They can be controversial and may have negative impacts on one's perception and values due to their explicit nature.
Smut fiction is a type of fictional writing that contains sexually explicit content. It often focuses on sexual encounters, relationships, and desires. However, it is considered a form of adult - oriented literature and may not be suitable for all audiences.