Seijiro Kan, who came to unravel the mystery of a moving figure. However, Haruto refuses to cooperate. What appeared in front of him was the fourth moving figure, Subaru. It was a character of "Fighting Game Striking Fist III".

Haruto has been trapped in the world of "Striking Fist III" by the plot of the crown. Nona, Bernoa, and Subaru go to rescue him, but a mighty enemy awaits them!

Haruto gradually deepens his relationship with Bernoa and Subaru. Meanwhile, Nona, who had an ominous dream, is worried about her future with Haruto. Therefore, I try to attract Haruto's attention somehow.