Shuangsheng Lingtan, (双生灵探, also known as Twin Spirit Detectives), is a manhua created by Jiao Ran (湫然) and Zhi Yu (止鱼).
Twin detectives Xiaotu and Xiaohu set up a business that specializes in dealing with supernatural occurrences. However, when they investigate what seems to be an ordinary Supernatural case, a series of bizarre events unfold. To that end, Xiaotu and Xiaohu conquer hardships with every step they take, to clear the hazy path towards the truth.
An animated adaptation was released in August 2016, produced by G.CMAY Animation & Film.
This series provides examples of:
- Angsty Surviving Twin: Xiaohu after Xiaotus death.
- Color-Coded for Your Convenience: Blue for Xiaotu. Red for Xiaohu.
- Identical Twin ID Tag: Xiaotus hair is reddish-black and has a mole under his left eye, while Xiaohus hair is bluish-black and has no mole.
- Foolish Sibling, Responsible Sibling: Xiaohu is the Foolish sibling to Xiaotu's Responsible.
- Polar Opposite Twins: Look at the other tropes.
- Potty Emergency: Xiaoyu has one at the start of the first episode, in the middle of the night.
- Red Oni, Blue Oni: Xiaohu is the blue Oni as he is more cautious, intelligent, and more focused while Xiaotu is the red Oni as he is more fun loving, enthusiastic, and reckless. Their colors are inverted, however, as Xiaohus signature color is red, while Xiaotus signature color is blue.