E.1 S.3 - Revert to One (0)

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Summary
Kai arrives home afterschool to his younger sister, Izumii, who lets him know that their parents are away shopping for dinner. They share some pocky together before he heads to his room.

Throughout the chapter, Kai notes to himself how strange the day feels, and decides to head outside to grab some fresh air. Elsewhere, an explosion takes place. There is a chase between two currently unknown figures who ultimately clash. The resulting noise catches Kai's attention.