Here are some recommended deep and emotional campus novels featuring male protagonists:
1. "他笑時風華正茂" by 舒遠: This novel tells the story of a girl who encounters the male protagonist multiple times, and their relationship develops over time.
2. "穿成偏執(zhí)反派的佛系同桌" by 一只堅果: The novel follows the story of a girl who becomes classmates with a male protagonist who is described as paranoid. Despite their differences, they develop a close relationship.
3. "小蠻腰" by 姜之魚: This novel revolves around the relationship between a strong and rebellious girl and a shy and introverted boy. Their interactions are filled with romantic and heartwarming moments.
4. "偽裝學渣" by 木瓜黃: The story follows two popular troublemakers who are forced to act like underachievers in school. This comedic novel explores their growth and the development of their relationship.
5. "恃靚行兇" by 休屠城: This urban romance novel features a math teacher who falls for a beautiful but troublesome girl. The male protagonist is deeply infatuated with her and their relationship is filled with twists and turns.
Please note that these recommendations are based on the provided search results and may not cover all available options.