It could be his rival. Rivals in Yu - Gi - Oh are always trying to one - up each other. If his rival manages to steal a rare card that Zane has been eyeing, or if the rival taunts Zane about a recent defeat, that would surely make Zane mad.
At first, their relationship might become strained. Zane's anger could make Syrus confused and a bit scared. Syrus might try to avoid Zane, not knowing how to deal with his anger.
Here are some recommendations for novels with a Mad Dog male protagonist:
1. My Beautiful Concubine
2. "The King's Woman"
3. Servant Seven Seven
4. "I'm a salted fish after marrying Sick Jiao."
5. Huai Jiao
6. "Accidentally Entering the Cage"
7. The Story of Spoiling
8. Golden Partridges
9. "Forgive me, Lord."
10. "The Rebellion Under the Skirt"
These novels all had the storyline of the Mad Dog male and female protagonists. I hope these recommendations will meet your needs.
The following were some of the recommended ancient novels, including the plots of the male and female protagonists: Beauty and Mad Dog, My Beautiful Concubine, The King's Woman, Slave's Child, Seven Seven, Married to a Sick Jiao, Huai Jiao, Entering the Cage, The Story of Spoiling, Golden Partridges, Forgive My Lord, The Rebellion Under the Skirt, Meeting Ice in the Deep Well, The Female Heavenly Teacher of Chang 'an, Drunken Flowers, Seizing Jiao, and so on. The male protagonists in these novels all had the behavior and emotions of a mad dog, and there were various stories and conflicts between them and the female protagonists.
" Mad Dog and the Princess " was a novel written by Yogurt Delicious. It belonged to the fantasy, modern romance, and princess genre. In the story, Sui An became a lamb waiting to be slaughtered, and a man who claimed to be a killer became the prince of an enemy country. The man in the palace accused Sui An of being the princess of the marriage alliance. Sui An was stabbed in the heart by everyone, and she felt a splitting headache. The plot of this novel was fascinating, the characters had distinct personalities, and the inner world was exquisitely portrayed. It was a good book worthy of recommendation.
In the 'aittic gets zane mad' fanfiction, it might be that aittic competes with Zane in a very unfair way. For example, in a contest or a game, aittic cheats but makes it seem like Zane is the one at fault. This would make Zane angry as he values fairness. Also, aittic could be constantly criticizing Zane's work or ideas without any valid reasons, which would also lead to Zane getting mad.