- instagram.com sosoalive7/
- nur.kz family/gloss/2100722-syuy-kay-doramy-s-…
- vk.com xukaimania?w=club188135755
- mydramalist.com people/17086-xu-kai
- 1.doramatv.ru list/person/kevin_xu
- en.wikipedia.org Xu Kai
- chinesestarschannel.com post/xu-kai-许凯-weibo-…
- 2.doramalive.news person/xu_kai_1995/