Another great choice is 'Mo Dao Zu Shi'. The male characters in this novel have deep and sometimes extreme emotions towards the protagonist. There are aspects of their behavior that can be seen as yandere, like their unwavering loyalty and a bit of over - protectiveness.
One popular yandere male Chinese novel is 'The Husky and His White Cat Shizun'. It has a complex and intense plot with a male character showing some yandere - like traits in his relationship with the protagonist.
'Killing Me the Dreamer' also features a male character with yandere - ish qualities. His actions and emotions towards the female lead are intense and somewhat bordering on the yandere type, with his possessiveness and extreme reactions to certain situations.
They can be very obsessive. They will focus all their attention on the person they love. Their actions are often centered around this person, whether it's protecting them from harm or trying to keep them in a certain place. In some cases, they may go to great lengths to achieve their goals related to the person they're obsessed with. This might include sacrificing themselves or others in extreme situations.
The novel 'You' by Caroline Kepnes has a male character, Joe Goldberg, who is a very good example of a male yandere. He is extremely obsessive and possessive over the women he is interested in. He goes to great lengths to insert himself into their lives, often using stalking and other unethical means. Another novel could be 'Gone Girl' to an extent. The character of Nick Dunne has some yandere - like qualities in his relationship with his wife. He is both manipulative and has a sense of possessiveness that plays out in the story.
'Durarara!!' also has elements of yandere. Anri Sonohara, in the story, has a certain yandere - like quality. Her character development is interesting as she tries to hide her darker side while being drawn to certain characters. The anime and light novel adaptation do a great job of exploring her complex personality.
One popular yandere visual novel is 'Doki Doki Literature Club'. It starts off as a seemingly normal dating sim but takes a dark and disturbing turn with the yandere elements. Another is 'Yandere Simulator', which focuses on the actions and mindset of a yandere character in a school setting. There's also 'Hatoful Boyfriend' that has some rather unique and unexpected yandere - like storylines among its many strange and interesting plotlines.
There is a fanfiction titled 'Shepard and the Yandere Entanglements'. In it, Male Shepard finds himself in a web of complex relationships with the yandere ladies. Their actions range from overly affectionate to downright menacing as they pursue Shepard. It's a really interesting read as it delves deep into the psyche of the yandere characters and how Shepard copes with their behavior. Also, 'The Yandere Ladies and Shepard's Adventure' is a great one. Here, the yandere ladies follow Shepard on his missions and their possessiveness often leads to unexpected situations during the adventures.
Another one is 'School Days'. In this novel, there are elements of yandere behavior among the female characters. The relationships are full of drama and the yandere traits add a lot of tension to the overall story. It shows how the yandere characters' actions can have a huge impact on the lives of those around them.
One popular yandere light novel is 'Future Diary'. It has a very interesting plot where the female lead shows yandere characteristics. The story is full of suspense and intense battles for survival.
There's also 'Bad Apple Wars'. The story takes place in a strange afterlife school, and there are male characters who show yandere - ish behaviors towards the female lead. It has an interesting plot that combines elements of mystery, romance, and the unique otome yandere theme.
Well, there's this fanfiction called 'Bound to You'. The yandere in it has a very unique way of expressing her love for the male reader. It's filled with suspense as the male reader tries to figure out how to deal with her obsessive behavior. Then there's 'Toxic Affection' where the relationship between the yandere and the male reader is full of drama and unexpected twists. Also, 'Yandere's Gaze' is a good read as it focuses on the yandere's constant watch over the male reader.