After Xiao Xubai said goodbye to his brother Liu Shuqing, he was attracted by a broken mirror while walking alone on the road. However, he was selected in the dungeon game and entered the first dungeon game [the dilapidated mental hospital] where he fought openly and secretly with his teammates. In the bloody branch line that passed Miss Xia, he revealed the truth about the past of this hospital.
Concept: Infinite Flow Puppet Master