After her experience in Virtual Reality, Nishinosono remembers that Saikawa was with her after her parents death.  The lab attempts to reset the non-functioning Red Magic system, and as the lights go out Saikawa finds a clue.
There may have been different killers.
.قد لا يكون من قتلهم شخصًا واحدًا
Es muss nicht derselbe
Täter gewesen sein.
Quizá no los asesinó la misma persona.
Quizá no los asesinó la misma persona.
Rien ne prouve
qu’il y ait un seul coupable.
Non è detto che il colpevole sia lo stesso.
Ninguém garante que 
o assassino é o mesmo.