Aoba and Mink head further into Oval Tower and find data on Toue's experiments. Aoba finds out that Mink means to kill Toue, but before he can do anything, they end up being chased and have to seperate. Suddenly, Sei appears in front of Aoba. He tells Aoba that he's been waiting to meet him... but who is he?
The one behind the theory that made 
this possible was your grandmother.
الشخص المسؤول عن هذه النظرية التي جعلت الأمر ممكناً كانت جدّتك
Diejenige, die hinter der Theorie
dafür steckte, war deine Großmutter.
La base de esa teoría era 
de tu abuela, Aoba-san.
La base de esa teoría era 
de tu abuela, Aoba-san.
Cette expérience se basait
sur les travaux…
A pessoa por trás da teoria que 
viabilizou isso foi sua avó, Aoba.