Danganronpa (Pt 9): Neo Begins Investigating the Second Murder Case

With history repeating again and another one of the students dead, Neo and Makoto have to begin investigating their murder in order to determine who the Blackened is and expose them in the upcoming class trial in order to guarantee everyone else's survival. Except this time, going by the bizarre state of the scene of the crime itself and some other evidence that Neo uncovers during his investigation, it looks like the killer this time around may very well be an actual SERIAL KILLER. And it would seem that Byakuya has taken a sudden interest in leading Makoto by the nose during a large chunk of investigation, which is certainly odd considering that this is the same Byakuya who's made it perfectly clear he intends only to look out for himself and not work together with the other students...