Just like the additional chapter included in the main game itself, this other additional chapter is headed by the game’s original creators, Team GrisGris.
Here’s the summary:
“Firefly of Everlasting Darkness” Chapter
This chapter sees Yoshiki struck on the head with a hammer by Yoshikaze on the verge of dying within moments.
Just in the knick of time, though, Tomohiro manages to save him, with the two of them swearing to each other that they’ll both make it out alive.
But soon enough, the spirit of a dead girl appears before them…
Corpse Party is due out for 3DS on July 30.