Hiroto's investigation finally leads him to uncover Dr. Korogi's secret. What will this mean for Hina and Yota?
You shouldn't come down this deep.
In so einer Tiefe hast du nichts verloren.
No deberías bajar a esta profundidad.
Il ne faut pas plonger si profondément.
Você não deveria estar
aqui tão no fundo.