Due to the extremely terrifying and bloody murder incident, Tianshen Elementary School was closed and a supernatural game called "Happy Lucky Son", which is said to summon happiness, has been passed down. Over the years, Tenjin Elementary School has been transformed into Ruyue Academy, while high school sophomore students Naomi Nakajima (played by Nao Sakurai) and Tetsuchi Chida (played by Chikuoka)
Due to the extremely terrifying and bloody murder incident, Tianshen Elementary School was closed and a supernatural game called "Happy Lucky Son", which is said to summon happiness, has been passed down. Over the years, Tenjin Elementary School has been transformed into Ruyue Academy, while high school sophomore students Naomi Nakajima (played by Nao Sakurai) and Tetsuchi Chida (played by Chikuoka)