Special shorts of the anime Yichang Shengwu Jianwenlu.

After graduating from the University of Traditional Chinese Medicine, Sun Jiayou returned home to inherit a traditional Chinese medicine shop. He found that although the people here would not use medicine as a treatment, they had own spiritual system. To realize his grandfather’s dream, he plans to promote Chinese medicine in a different world. However, the spirit messenger considers it a big threat. In some confrontations with the spirit messenger, he discovers a greater mystery.

The courtyard is awash with cherry blossom petals, appearing especially beautiful in the moonlight. Kagura, waking up, sits in the hallway facing the courtyard, The courtyard at night, seems like something can happen anytime...... Suddenly a butterfly glides past, its scales glittering. Kochou no Sei: That's right. Nighttime is indeed suitable for telling stories. Kagura grows sleepy under the influence of dust. Kochou no Sei: After Kagura-sama falls asleep - that will be the beginning of the story in the dream! (Source: Onmyoji Wiki)

The second season of Yi Shijie Zhongyao Pu.