This is the current number of female characters, including those he has had sex with and those he hasn't.
For those wondering... And this is a large harem.
• Xiao Wu
• Zhu Zhuqing
• Zhu Zhuyun
• Ning Rongrong
• Meng Yiran
• Dugu Yan
• Xue Ke
• Ye Lingling
• Shui Bing'er
• Shui Yue'er
• Liu Erlong
• Qian Renxue
• Hu Liena
• Bibi Dong
• Xiao Bai (Demon Soul Great White Shark)
• Xiao Yu (Sea Woman Douluo)
• Ming Yue (the girl rescued in Xing Luo)
• Daji (Nine-Tailed Celestial Fox)
• Gu Yuena (Silver Dragon King)
• Bai Chenxiang
• Ice Emperor
• Snow Emperor
• A Yin
• Zi Ji
• Bi Ji
• Wang Qiu'er (Three Eyed Golden Lion)
• Wan'er (rescued in the Star Dou Forest, Beast Tide arc).