Give 'Given' a shot. It has beautiful illustrations and a touching plot that will keep you hooked. The relationships between the characters are complex and interesting.
Sure, Yaoi manga is very real. It typically focuses on romantic and sexual relationships between male characters. These mangas are created and consumed by many people around the world.
Well, it depends on your own preferences and the context. If you enjoy stories about male - male relationships, then reading yaoi novels can be a great way to explore different kinds of love and relationships. But you also need to consider the potential influence on your views. For example, some yaoi novels may have overly idealized or unrealistic portrayals. Also, in some conservative environments, there might be some negative views towards such content.
A man of virtue yaoi manga often has intricate and complex relationships. It might have beautiful art styles depicting tender moments and inner struggles of the characters. Also, it could deal with social or personal obstacles the characters face in their relationship.
In my experience with Manga Master, there hasn't been any yaoi. It might have some similar themes or elements, but not full-fledged yaoi stories. It's mainly known for other types of manga content.