Kamen Rider Saber

Chapter 4: I opened the book, therefore. (1x4)

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Despite defeating Megiddo, the incident is irreversible. Onoe, who is worried about his son Sora, promises that Makoto Hiba will definitely help Sora. However, that word touches Onoe's reverse scale. "Do you understand my parents' feelings!" Still, Makoto Hiba leaves behind saying that he will keep his promise. Tells that there is a wise man on Onoe who is not frustrated. The mystery of Megiddo, and where did the people disappear? Makoto Toba and Rintaro desperately think about it. On the other hand, Mei who feels responsibility takes a ridiculous action.