One hundred thousand years ago, he was the founding disciple of the Tianlan Sect, his master ascended to the top, and he was refining Qi. Ninety thousand years ago, his martial nephew ascended, and he was refining Qi. Fifty thousand years ago, the old dog who was the gatekeeper of Tianlanzong also ascended, and he was still refining Qi. Thirty thousand years ago, the old tree at the foot of the mountain also became a demon, and he was still refining Qi before he could pass the catastrophe. Ten thousand years ago, Zhang Wuji, the 9872nd generation disciple of Tianlanzong, also ascended, and Xu Yang silently refined Qi. He retreated for 10,000 years, and finally, he broke through the 9999th floor of the Qi refining period! Ten thousand years later, he broke through and came out!

A spin-off chibi anime of .

Ye Chen, the outcast disciple, is banished from the sect and becomes homeless. Through a series of coincidences, he receives a True Flame and once again steps on the path of cultivation. This is a world where demons and deities co-exist and an era where all realms in the world are overrun by chaos. Ye Chen's journey to defying heaven begins, and after going through all kinds of trials and tribulations, he finally reaches the pinnacle of cultivation.

Based on Team Shanghai Alice's Touhou Project. History revolves around the many events in the lives of two students from the Outside World - Maribel Hearn and Renko Usami. They are the only members of the "Hifuu Club Activity Record" who are looking for those hidden worlds as Gensokyo, the Netherworld and the Moon.